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Free articulation word lists

S Words for Speech Therapy

Find S words by word position. Each list is checked against the CMU Pronouncing Dictionary, so words that are spelled with an s but sound different — like sugar or island — never sneak into your practice list.

S words by position

Choose a word position to see the full verified list.

Initial S words

The /s/ sound appears near the start of the word.

/s/
  • sad
  • safe
  • sage
  • sail
  • saint
  • sake
  • sale
  • salt
  • same
  • sand

499 verified words

View the full listPrintable PDF

Medial S words

The /s/ sound appears inside the word.

/s/
  • aside
  • assault
  • assess
  • asset
  • assign
  • assist
  • assume
  • awesome
  • basic
  • basin

377 verified words

View the full listPrintable PDF

Final S words

The /s/ sound appears near the end of the word.

/s/
  • base
  • bass
  • bless
  • boss
  • brass
  • bus
  • case
  • chase
  • chess
  • class

231 verified words

View the full listPrintable PDF

When is /s/ typically acquired?

  • S as in sun — 90% of US children produce it by 4;11.

Crowe & McLeod (2020), American Journal of Speech-Language Pathology

Check any sound by age →

S Blend Words for Speech Therapy

S blends pair /s/ with another consonant at the start of a word — st as in star, sn as in snake. Every list below is checked against the CMU Pronouncing Dictionary, so the cluster is present in the pronunciation, not just the spelling.

Final Blend Words for Speech Therapy

Final blends put two consonants at the end of a word — st as in nest, ts as in cats, nk as in pink. Final S blends (also called final s clusters: st, ts, ps, ks) are the most common targets, and most ts, ps and ks words are plurals, just as SLPs use them. Every list below is checked against the CMU Pronouncing Dictionary, so the cluster is present in the pronunciation, not just the spelling.

How to use these S word lists

Many children work on /s/ because of a frontal or lateral lisp. Start with the word position selected by the SLP and pick a small group of words that fits the learner at their current practice level.

The lists check where /s/ appears in each pronunciation, not just the spelling. They do not choose a treatment target or replace clinical judgment.

Validation source

Word pronunciations are checked with the CMU Pronouncing Dictionary.

Free · 5 packs to start · no card

Create a custom S practice pack

Choose the word position, age band and theme. Ga-loo builds a checked S list and a print-ready pack: picture cards, a dab game, a data sheet and a home letter.

Form pre-filled with/s/
Create a worksheet for /s/
No card requiredNo student namesFailed generations refunded
One pack includesPractice pack
  • Picture cards: word, phrase, sentence
    8–16 verified words, each with its own picture plus a phrase and a sentence for the next level.
  • Say & dab game
    Big pictures with 10 dots each: 60 practice turns with no prep.
  • Data sheet + probe
    Mark 10 tries per word, then check untrained words for carryover.
  • Home practice letter (B&W)
    Simple steps for parents and a 7-day tracker that prints on any printer.

One print-ready PDF on US Letter. Any page you don’t need can be switched off before generating.

Or start with a theme
OceanFoodNature
Only themes with verified /s/ vocabulary
When do kids master each sound?Free interactive checker: pick a sound and an age, see the research norm — all 24 consonants, sourced from Crowe & McLeod (2020).Open the checker

Therapy guides

Cluster reduction

“Top” for “stop”: when it fades, which clusters to target first, and minimal pairs that work.

Read the guide

Minimal pairs therapy

Minimal pairs examples by pattern, how a session runs, and a worked fronting example.

Read the guide

The cycles approach

Who cycles is for, which patterns to target first, and how one cycle runs.

Read the guide

Frequently asked questions

What are some initial S words?
Common initial S words include sun, stick, soap, seven, seal, and sandwich. The full initial S list has 499 verified words.
What are some medial S words?
Medial S words are matched on pronunciation rather than spelling, so the sound is really in that part of the spoken word. The full medial S list has 377 verified words.
What are some final S words?
Final S words are matched on pronunciation rather than spelling, so the sound is really in that part of the spoken word. The full final S list has 231 verified words.
When do children master the S sound?
By Crowe & McLeod (2020), 90% of US children produce /s/ by 4;11.
Why are some words with the letter S not on the list?
English spelling is unreliable: sugar starts with /sh/, island has a silent s, and rose ends in /z/. These lists check the pronunciation, so words like that are excluded.
Can I make a printable S sound worksheet?
Yes. Select /s/, choose a word position and theme, and Ga-loo will create a checked, printable PDF.