chemovschimpConfusable pair

Which to use

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

#20,880
“chemo” frequency rank
#30,731
“chimp” frequency rank
51611
confusion score

Side-by-Side Comparison

Feature chemo chimp
Definition Clipping of chemotherapy. Clipping of chimpanzee.

Where the eye mixes chemo and chimp

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

5 ch
chemo
5 ch
chimp

Why the eye confuses chemo with chimp

A purely visual mix-up. chemo (/ˈkiːməʊ/) and chimp (/t͡ʃɪmp/) 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 51611, 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/. chimp is at rank #30,731, tagged as anoun, pronounced /t͡ʃɪmp/.

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 51611, this pair ranks #164,019 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of chemo vs chimp

Shared letters: chm. Private to "chemo": eo. Private to "chimp": ip.

"chemo" · 5 letters · shape CCVCV  ·  "chimp" · 5 letters · shape CCVCC

Known mistypes of this pair

  • chemocchemo · cehmo · chemmo · cheom · chhemo · chmeo · hcemo
  • chimpcchimp · chhimp · chimmp · chimpp · chipm · chmip · cihmp · hcimp

Frequently Asked Questions

Is swapping "chemo" for "chimp" ever safe?
No. They are said differently (/ˈkiːməʊ/ versus /t͡ʃɪmp/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "chemo" vs "chimp" - which ranks higher?
"chemo" is the more common of the two: it sits at frequency rank #20,880 in our English list, against #30,731 for "chimp". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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 "chimp" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #164,019 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "chemo" and "chimp" also get mixed up with nearby pairs, the highest-scored neighbour is "Chaim vs chimp". 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 #164,019 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