chaptervsclapperConfusable pair

Which to use

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

#2,245
“chapter” frequency rank
#31,917
“clapper” frequency rank
34162
confusion score

Side-by-Side Comparison

Feature chapter clapper
Definition One of the main sections into which a published work is divided, especially a book. One who claps; a person who applauds by clapping the hands.

Where the eye mixes chapter and clapper

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

7 ch
chapter
7 ch
clapper

Visual trap between chapter and clapper

A purely visual mix-up. chapter (/ˈt͡ʃæptə(r)/) and clapper (/ˈklæpɚ/) 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 34162, 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)/. clapper is at rank #31,917, tagged as anoun, pronounced /ˈklæpɚ/.

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 34162, this pair ranks #323,139 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of chapter vs clapper

Shared letters: acepr. Private to "chapter": ht. Private to "clapper": l.

"chapter" · 7 letters · shape CCVCCVC  ·  "clapper" · 7 letters · shape CCVCCVC

Known mistypes of this pair

  • chaptercahpter · cchapter · chapetr · chappter · chapterr · chaptre · chaptter · chatper
  • clappercalpper · cclapper · clapepr · claper · clapperr · clappre · cllapper · clpaper

Frequently Asked Questions

Is swapping "chapter" for "clapper" ever safe?
No. They are said differently (/ˈt͡ʃæptə(r)/ versus /ˈklæpɚ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "chapter" vs "clapper" - which ranks higher?
"chapter" is the more common of the two: it sits at frequency rank #2,245 in our English list, against #31,917 for "clapper". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "chapter" and "clapper" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "chapter" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "clapper" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #323,139 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "chapter" and "clapper" also get mixed up with nearby pairs, the highest-scored neighbour is "clapper vs clasped". 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 #323,139 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