chaptervschaserConfusable pair

Which to use

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

#2,245
“chapter” frequency rank
#24,403
“chaser” frequency rank
26648
confusion score

Side-by-Side Comparison

Feature chapter chaser
Definition One of the main sections into which a published work is divided, especially a book. Something or someone who chases.

Where the eye mixes chapter and chaser

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

7 ch
chapter
6 ch
chaser

Visual trap between chapter and chaser

A purely visual mix-up. chapter (/ˈt͡ʃæptə(r)/) and chaser (/ˈt͡ʃeɪsə/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 26648, derived from the frequency rank of both members and their visual similarity.

chapter is recorded at frequency rank #2,245, classified as anoun, pronounced /ˈt͡ʃæptə(r)/. chaser is at rank #24,403, tagged as anoun, pronounced /ˈt͡ʃeɪsə/.

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 26648, this pair ranks #385,132 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of chapter vs chaser

Shared letters: acehr. Private to "chapter": pt. Private to "chaser": s.

"chapter" · 7 letters · shape CCVCCVC  ·  "chaser" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • chaptercahpter · cchapter · chapetr · chappter · chapterr · chaptre · chaptter · chatper
  • chasercahser · cchaser · chaesr · chaserr · chasre · chasser · chhaser · chsaer

Frequently Asked Questions

Is swapping "chapter" for "chaser" ever safe?
No. They are said differently (/ˈt͡ʃæptə(r)/ versus /ˈt͡ʃeɪsə/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "chapter" or "chaser" show up more?
"chapter" is the more common of the two: it sits at frequency rank #2,245 in our English list, against #24,403 for "chaser". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "chapter" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "chaser" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #385,132 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "chapter" and "chaser" also get mixed up with nearby pairs, the highest-scored neighbour is "cased vs chaser". 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 #385,132 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