chattervscoasterTell them apart

Which to use

“chatter” and “coaster” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#17,565
“chatter” frequency rank
#11,357
“coaster” frequency rank
28922
confusion score

Side-by-Side Comparison

Feature chatter coaster
Definition Talk, especially meaningless or unimportant talk. A person who originates from or inhabits a coastal area.

Where the eye mixes chatter and coaster

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
chatter
7 ch
coaster

Visual trap between chatter and coaster

A purely visual mix-up. chatter (/ˈtʃætə/) and coaster (/ˈkəʊ̯s.tə/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 28922, derived from the frequency rank of both members and their visual similarity.

chatter is recorded at frequency rank #17,565, classified as anoun, pronounced /ˈtʃætə/. coaster is at rank #11,357, tagged as anoun, pronounced /ˈkəʊ̯s.tə/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 28922, this pair ranks #367,191 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of chatter vs coaster

Shared letters: acert. Private to "chatter": h. Private to "coaster": os.

"chatter" · 7 letters · shape CCVCCVC  ·  "coaster" · 7 letters · shape CVVCCVC

Known mistypes of this pair

  • chattercahtter · cchatter · chater · chatetr · chatterr · chattre · chhatter · chtater
  • coastercaoster · ccoaster · coasetr · coasster · coasterr · coastre · coastter · coatser

Frequently Asked Questions

Do "chatter" and "coaster" mean the same thing in a sentence?
No. They are said differently (/ˈtʃætə/ versus /ˈkəʊ̯s.tə/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "chatter" or "coaster" show up more?
"coaster" is the more common of the two: it sits at frequency rank #11,357 in our English list, against #17,565 for "chatter". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "chatter" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "coaster" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #367,191 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "chatter" and "coaster" also get mixed up with nearby pairs, the highest-scored neighbour is "chatter vs clatter". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #367,191 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list