chaffvschartTell them apart

Which to use

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

#39,242
“chaff” frequency rank
#3,152
“chart” frequency rank
42394
confusion score

Side-by-Side Comparison

Feature chaff chart
Definition The inedible parts of a grain-producing plant. A map.

Where the eye mixes chaff and chart

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

5 ch
chaff
5 ch
chart

Why the eye confuses chaff with chart

A purely visual mix-up. chaff (/t͡ʃæf/) and chart (/t͡ʃɑɹt/) 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 42394, 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/. chart is at rank #3,152, tagged as anoun, pronounced /t͡ʃɑɹt/.

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 42394, this pair ranks #249,632 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of chaff vs chart

Shared letters: ach. Private to "chaff": f. Private to "chart": rt.

"chaff" · 5 letters · shape CCVCC  ·  "chart" · 5 letters · shape CCVCC

Known mistypes of this pair

  • chaffcahff · cchaff · chaf · chfaf · chhaff · hcaff
  • chartcahrt · cchart · charrt · chartt · chatr · chhart · chrat · hcart

Frequently Asked Questions

Can "chaff" and "chart" be used interchangeably?
No. They are said differently (/t͡ʃæf/ versus /t͡ʃɑɹt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "chaff" or "chart"?
"chart" is the more common of the two: it sits at frequency rank #3,152 in our English list, against #39,242 for "chaff". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "chaff" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "chart" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #249,632 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "chaff" and "chart" 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 #249,632 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