When Should My Child Say Their Speech Sounds?

June 17, 2026 Last updated October 20, 2026 10 min read

Written and reviewed by Nita Anavim, M.S., CCC-SLP. Last reviewed June 17, 2026.

You are chatting with your little one, following along just fine, when someone at the park asks, “Wait, what did they say?” Suddenly you are wondering whether your child’s “wabbit” and “thoap” and “yellow” (that comes out “lellow”) are just cute, or something to keep an eye on. If you have found yourself quietly cataloging the sounds your child does and does not say yet, you are in good company. It is one of the most common questions parents bring to us.

Here is the short answer: speech sounds come in over several years, in a fairly predictable order, and many sounds are not fully mastered until the school years. Some sounds show up early. Others, like R, S, L, and TH, tend to arrive later, and that later timing is completely normal.

So if your four-year-old still says “wed” for “red,” take a breath. That is often right on schedule.

How do speech sounds develop?

Speech sounds are learned in order, easiest first, from p, b and m in the toddler years to r and th at school age.

Babies begin experimenting with sound long before real words appear. In the first year, you hear cooing, then babbling with sounds that begin with p, b, and m, according to the National Institute on Deafness and Other Communication Disorders (NIDCD). Those early, front-of-the-mouth sounds are the foundation. As your child grows, they add more consonants, string sounds into words, and slowly sharpen the trickier ones. It is less like flipping a switch and more like tuning an instrument over time.

Every child moves through this at their own pace, but the general path is shared, which is exactly why age ranges are useful.

What sounds should my child have by age?

The sounds your child should have are the simpler ones first and the harder ones later, arriving in waves.

The NIDCD offers a helpful window into typical development. By around age 2 to 3, most children are using k, g, f, t, d, and n sounds. By age 4 to 5, children say most sounds correctly, with just a few still coming along, and the NIDCD specifically names l, s, r, v, z, ch, sh, and th as the ones that may still be developing at that stage. In other words, those late bloomers are expected to be works in progress well into the preschool and early school years.

This is worth repeating because it saves a lot of worry: if R, S, L, or TH are the sounds tripping up your four- or five-year-old, that pattern is common and usually developmentally appropriate. You want to see steady progress and a widening set of sounds over time, not perfection at a single birthday.

How much should a stranger understand?

A good rule of thumb is that your child should get easier for other people to understand as they grow, not just easier for you.

You will naturally understand your own child better than anyone else does, because you know their words and their world. Still, intelligibility should climb steadily. By age 3, the Centers for Disease Control and Prevention (CDC) lists “talks well enough for others to understand, most of the time” as a milestone that most children (meaning 75 percent or more) reach. By age 4, the CDC’s milestones show children saying sentences with four or more words and telling you about their day in a way listeners can follow.

So a rough picture looks like this: a lot of your two-year-old’s speech may still be a family affair, but by age 3 a stranger should understand your child most of the time, and by age 4 to 5 speech becomes clearer and clearer even as a few tricky sounds finish developing. If most people cannot understand your three-year-old at all, that is a reasonable moment to check in.

Is it a normal developmental error or a speech sound disorder?

The difference is timing: normal developmental errors fade on the expected timeline, and a speech sound disorder does not.

Normal developmental errors tend to be the ones we all recognize, like “wabbit” for “rabbit,” “nana” for “banana,” or dropping the last sound off a word. These usually smooth out as your child gets older and the harder sounds come in. A speech sound disorder is different: it is when a child has ongoing trouble producing sounds correctly past the age most peers have moved on, or when speech is hard to understand in a way that starts to affect connecting with others. The NIDCD describes children who have trouble producing speech sounds correctly as potentially having a speech disorder worth evaluating.

An important note: only a licensed speech-language pathologist can sort typical development from a speech sound disorder through an evaluation. This post cannot diagnose anything, and honestly, neither can a checklist on its own. What you can do is watch the overall trend and trust your gut if something feels stuck. If you want to learn more about how the trickier sounds are supported, our page on articulation therapy walks through it, and if you are noticing broader patterns, our overview of speech milestones by age can help you see the bigger picture. For a different concern, where a child seems to know what they want to say but struggles to coordinate the movements, our article on childhood apraxia of speech may be a better fit.

What can I do at home?

The best thing you can do is bathe your child in easy, pressure-free language every day.

You do not need flashcards or drills. When your child says a word a little off, you can gently model it back the right way instead of asking them to repeat it: if they say “I see a wabbit,” you might smile and say, “Yes, a rabbit!” This shows the correct sound without turning it into a test. Reading together, singing songs and rhymes, and narrating what you are doing all give your child endless, relaxed chances to hear sounds clearly. The CDC suggests talking with your child in longer sentences than theirs and repeating what they say while adding a little more, which is a wonderful, natural way to grow both sounds and language.

Keep it warm and playful. Speech develops best when it feels like connection, not correction.

How does speech therapy help?

Speech therapy is focused, playful practice on the specific sounds that need a little extra help, guided by someone trained to know what is typical and what is not.

A speech-language pathologist starts by getting to know your child and, if it is helpful, completing an evaluation to see which sounds are on track and which need support. From there, therapy usually looks like games, activities, and gentle practice built around your child’s interests, so it feels like play rather than work. The NIDCD notes that a speech-language pathologist may suggest activities you can do at home, offer individual or group therapy, and coordinate with other professionals when needed. If you are curious what that first visit is actually like, our guide on what to expect at your child’s speech evaluation lays it out step by step.

The goal is always the same: to help your child be understood and to feel confident when they speak.

What is the next step?

Wondering if your child is on track? Our free 2-minute milestone check gives you a supportive read, based on CDC checklists, with no signup.

If you have questions about your child’s speech sounds, we would love to help you sort out what is typical and what might be worth a closer look. You can call us at (805) 702-3427 or schedule a free 15-minute consultation to talk it through. We provide in-home and virtual visits across our service area, and we work with children from birth to 18.

As of October 2026, we can start an evaluation within 3 business days of your free call. Your child’s first session can be as soon as 5 days after you call, for in-home and telehealth. Some private in-clinic sessions are also available on request.

Common questions about speech sounds

Is it normal for my 4-year-old to still say “wabbit” for “rabbit”?

Yes, this is very common. R is one of the later-developing sounds, and the NIDCD lists r among the sounds that may still be coming along even at age 4 to 5. As long as your child’s speech is generally understandable and improving over time, a lingering “w” for “r” is usually part of typical development. If it is still present as your child gets older, a speech-language pathologist can take a look.

My toddler is hard to understand. Should I worry?

A lot of two-year-old speech is still clearest to close family, so some fuzziness is expected. The clearer milestone comes a bit later: by age 3, the CDC notes that most children talk well enough for others to understand most of the time. If your three-year-old is regularly not understood by people outside your household, it is a reasonable time to check in with a professional.

Which speech sounds are the “late” ones?

The late sounds are R, S, L and TH, which develop later than others. The NIDCD specifically names l, s, r, v, z, ch, sh, and th as sounds that may still be developing at age 4 to 5. So if these are the sounds your preschooler is still working on, that timing is typical and not usually a cause for concern on its own.

Will my child just grow out of it, or do they need therapy?

Some children do grow out of it, and others need therapy; many early errors resolve on their own as the harder sounds come in. The difference worth watching is whether things are improving over time and whether your child is generally understood. Only a licensed speech-language pathologist can tell the difference between typical development and a speech sound disorder through an evaluation, so if you are unsure, a quick conversation can bring a lot of peace of mind.

Therapy Clubhouse offers in-home speech and occupational therapy throughout our home-visit area, and telehealth anywhere in California; our Westlake Village clinic opens December 1, 2026.

Sources

This article is for general educational purposes only and is not medical advice. It is not intended to diagnose any condition or replace an evaluation by a qualified professional. If you have concerns about your child’s speech or development, please consult your pediatrician or a licensed speech-language pathologist.

About the author

Nita Anavim, M.S., CCC-SLP is a licensed, ASHA-certified pediatric speech-language pathologist at Therapy Clubhouse, where she helps children from birth to 18 build communication and confidence through in-home and telehealth speech therapy. Learn more on Nita’s bio page.

Milestones are a starting point, not a verdict. If one specific sound is the issue you may be looking at whether your child’s lisp is something to worry about, and if the whole picture is muddy the real question is often why only you can understand your toddler. When sounds are unclear across the board, it is also worth ruling out whether this is a speech problem or a hearing problem.

Ready to take the next step? Call (805) 702-3427 or schedule a free 15-minute consultation with a licensed pediatric therapist.

Common question: At what age should my child master sounds like R, S, L, and TH?

Nita Anavim

Speech-Language Pathologist at Therapy Clubhouse

Nita Anavim is a licensed speech-language pathologist (M.S., CCC-SLP) and co-founder of Therapy Clubhouse who helps children from birth to 18 build communication, language, and feeding skills through warm, play-based, family-included therapy.

Pediatric speech therapyLanguage developmentArticulationStuttering and fluencyAACFeeding (referrals)Early intervention

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