chaffvschanWhich spelling fits?

Which to use

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

#39,242
“chaff” frequency rank
#7,105
“chan” frequency rank
46347
confusion score

Side-by-Side Comparison

Feature chaff chan
Definition The inedible parts of a grain-producing plant. An IRC channel.

Where the eye mixes chaff and chan

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
chaff
4 ch
chan

Why the eye confuses chaff with chan

A purely visual mix-up. chaff (/t͡ʃæf/) and chan (/t͡ʃæn/) 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 46347, derived from the frequency rank of both members and their visual similarity.

chaff is recorded at frequency rank #39,242, classified as anoun, pronounced /t͡ʃæf/. chan is at rank #7,105, tagged as anoun, pronounced /t͡ʃæn/.

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 46347, this pair ranks #212,649 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of chaff vs chan

Shared letters: ach. Private to "chaff": f. Private to "chan": n.

"chaff" · 5 letters · shape CCVCC  ·  "chan" · 4 letters · shape CCVC

Known mistypes of this pair

  • chaffcahff · cchaff · chaf · chfaf · chhaff · hcaff
  • chancahn · cchan · chann · chhan · chna · hcan

Frequently Asked Questions

Is swapping "chaff" for "chan" ever safe?
No. They are said differently (/t͡ʃæf/ versus /t͡ʃæn/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "chaff" vs "chan" - which ranks higher?
"chan" is the more common of the two: it sits at frequency rank #7,105 in our English list, against #39,242 for "chaff". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "chaff" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "chan" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #212,649 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "chaff" and "chan" also get mixed up with nearby pairs, the highest-scored neighbour is "chaff vs Chaim". 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 #212,649 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