chemovschocoTell them apart

Which to use

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

#20,880
“chemo” frequency rank
#44,688
“choco” frequency rank
65568
confusion score

Side-by-Side Comparison

Feature chemo choco
Definition Clipping of chemotherapy. Clipping of chocolate.

Where the eye mixes chemo and choco

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

5 ch
chemo
5 ch
choco

Why the eye confuses chemo with choco

A purely visual mix-up. chemo (/ˈkiːməʊ/) and choco (/ˈt͡ʃɒkəʊ/) 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 65568, derived from the frequency rank of both members and their visual similarity.

chemo is recorded at frequency rank #20,880, classified as anoun, pronounced /ˈkiːməʊ/. choco is at rank #44,688, tagged as anoun, pronounced /ˈt͡ʃɒkəʊ/.

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 65568, this pair ranks #72,114 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of chemo vs choco

Shared letters: cho. Private to "chemo": em. Private to "choco": -.

"chemo" · 5 letters · shape CCVCV  ·  "choco" · 5 letters · shape CCVCV

Known mistypes of this pair

  • chemocchemo · cehmo · chemmo · cheom · chhemo · chmeo · hcemo
  • chococchoco · chcoo · chhoco · chocco · chooc · cohco · hcoco

Frequently Asked Questions

Can "chemo" and "choco" be used interchangeably?
No. They are said differently (/ˈkiːməʊ/ versus /ˈt͡ʃɒkəʊ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "chemo" or "choco" show up more?
"chemo" is the more common of the two: it sits at frequency rank #20,880 in our English list, against #44,688 for "choco". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "chemo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "choco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #72,114 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "chemo" and "choco" also get mixed up with nearby pairs, the highest-scored neighbour is "choc vs choco". 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 #72,114 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