cationvscautionTell them apart

Which to use

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

#37,370
“cation” frequency rank
#7,426
“caution” frequency rank
44796
confusion score

Side-by-Side Comparison

Feature cation caution
Definition A positively charged ion: one that would be attracted to the cathode in electrolysis. Prudence when faced with, or when expecting to face, danger; care taken in order to avoid risk or harm.

Where the eye mixes cation and caution

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

6 ch
cation
7 ch
caution

Visual trap between cation and caution

A purely visual mix-up. cation (/ˈkætˌaɪ.ən/) and caution (/ˈkɔːʃ(ə)n/) 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 44796, derived from the frequency rank of both members and their visual similarity.

cation is recorded at frequency rank #37,370, classified as anoun, pronounced /ˈkætˌaɪ.ən/. caution is at rank #7,426, tagged as anoun, pronounced /ˈkɔːʃ(ə)n/.

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 44796, this pair ranks #227,256 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cation vs caution

Shared letters: acinot. Private to "cation": -. Private to "caution": u.

"cation" · 6 letters · shape CVCVVC  ·  "caution" · 7 letters · shape CVVCVVC

Known mistypes of this pair

  • cationcaiton · catino · cationn · catoin · cattion · ccation · ctaion
  • cautioncatuion · cauiton · causion · cautino · cautionn · cautoin · cauttion · ccaution

Frequently Asked Questions

Is swapping "cation" for "caution" ever safe?
No. They are said differently (/ˈkætˌaɪ.ən/ versus /ˈkɔːʃ(ə)n/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "cation" or "caution" show up more?
"caution" is the more common of the two: it sits at frequency rank #7,426 in our English list, against #37,370 for "cation". 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 "cation" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "caution" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #227,256 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "cation" and "caution" also get mixed up with nearby pairs, the highest-scored neighbour is "cation vs curation". 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 #227,256 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