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Articulation & Phonology
When speech sounds aren’t quite clicking - we help them find their place.
Articulation disorder or phonological disorder -
and does it even matter?Understanding the Difference
Phonological Disorder
A phonological disorder involves patterns of sound errors — an organizational issue. The child may produce the sound in isolation but applies a consistent rule that simplifies the sound system.
Example: A child who drops all final consonants — "da" for "dog", "cu" for "cup" — consistently across many words.
Articulation Disorder
An articulation disorder is a difficulty producing a specific sound correctly — a motor issue. The child knows what they want to say, but the mouth isn't quite cooperating.
Example: A child who produces a slushy /s/ sound or makes the “th” sound may be experiencing a lisp.
Why It Matters
The distinction matters because the two require different treatment approaches. An evaluation with us will identify exactly what's going on and build a therapy plan accordingly — you don't need to know which one it is before you reach out.
What to Expect
In the session
Sessions are engaging, targeted, and built around your child's interests. We work on the specific sounds or patterns affecting your child's clarity and confidence — through games, conversation, and structured practice — so progress feels natural rather than clinical. Sessions are fun. That's not an accident; it's how children learn best.
Between sessions
Practice doesn't need to feel like homework. A few intentional minutes each day makes a measurable difference over time. Worksheets and games are designed to be fun and effective while building muscle memory and flexing linguistic muscles.
When do speech sounds typically develop?
Based on Crowe & McLeod (2020) — a review of 18,907 children — most English consonants develop earlier than older charts suggest. These are 90% acquisition norms, meaning the age by which 90% of children produce the sound correctly. Every child's path is their own — these are guides, not cutoffs.
Speech Sound Development Norms
Early Developing Sounds
By ages 2-3
/b/ as in bear
/m/ as in mouse
/n/ as in nose
/p/ as in pig
/h/ as in house
/w/ as in wish
/d/ as in duck
/g/ as in go
/k/ as in cat
/f/ as in fish
/t/ as in time
“ng” as in hugging
“y” as in yes
/v/ as in valley
“j” as in jelly
/s/ as in sun
“ch” as in cheese
/l/ as in love
Middle Developing Sounds
By ages 4-5
“sh” as in shine
/z/ as in zest
/r/ as in raspberry
“zh” as in treasure
voiceless “th” as in think
Late Developing Sounds
By ages 6-7
voiced “th” as in there
Source: Crowe, K., & McLeod, S. (2020). Children's English consonant acquisition in the United States: A review. American Journal of Speech-Language Pathology, 29, 2155–2169.
Do any of these sound familiar?
Common Phonological Patterns
Phonological processes are predictable patterns of simplification that all children use as they're learning to talk. Most resolve on their own —
but when they persist beyond the expected age, therapy can help. Here are four of the most common ones we see.
Final Consonant Deletion
Resolves by age 3
Dropping the final consonant from words — the end of the word simply disappears.
"ca" for "cat" ~ "cu" for "cup" ~ "do" for "dog"
Fronting
Resolves by age 3-4
Replacing sounds made at the back of the mouth with sounds made at the front — k and g become t and d.
"tup" for "cup" ~ "tat" for "cat" ~ "dod" for "dog"
Stopping
Resolves by age 3-5
Replacing fricative sounds (air flowing through) with stop sounds — s, f, and sh become t, p, or d.
"tun" for "sun" ~ "pish" for "fish" ~ "doo" for "zoo"
Gliding
Resolves by age 5
Replacing liquids like /r/ and /l/ with glides — w or y take their place instead.
"wabbit" for "rabbit" ~ "yion" for "lion" ~ "wed" for "red"
Resolution ages based on Crowe & McLeod (2020) and McLeod & Crowe (2018). If a pattern persists beyond the expected age, an evaluation can clarify next steps.
Frequently Asked Questions
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Based on current research, /r/ is typically acquired by age 5. If your child is at or past that age and still struggling, an evaluation will give you a clear picture and a path forward — no guessing required.
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You don't need to know before you reach out — that's exactly what an evaluation is for. We'll identify the nature of the difficulty and build a treatment plan that targets it specifically.
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Sometimes yes — and sometimes no. The challenge is knowing which situation you're in. An evaluation gives you a clear, evidence-based answer. If your child is within the typical range, we'll tell you. If they'd benefit from therapy, we'll tell you that too.
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Yes — we are in network with BCBS, Baylor Scott & White, and Healthcare Highways. We'll verify your coverage before your first session so there are no surprises.
Not sure if your child needs therapy?
An evaluation gives you a clear answer - no guessing, no waiting.