keVvskoConfusable pair

Quick tell: keV is a symbol, ko is a noun, so they fill different roles in a sentence.

Which to use

“keV” is a symbol and “ko” is a noun - they look or sound alike but fill different roles in a sentence.

#23,595
“keV” frequency rank
#9,864
“ko” frequency rank
33459
confusion score

Side-by-Side Comparison

Feature keV ko
Definition Symbole du kiloélectronvolt, unité de mesure d’énergie en dehors du Système international (mais dont l’usage est accepté avec le SI), valant 10³ électronvolts. Configuration cyclique de pions, si fréquente que des règles spécifiques la traitent.

Letter map: keV vs ko

Shared letters muted; letters that set keV and ko apart highlighted. Shared run: 1.

3 ch
keV
2 ch
ko

Role in the sentence - keV and ko

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: keV is asymbol and koanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 33459, derived from the frequency rank of both members and their visual similarity.

keV is recorded at frequency rank #23,595, classified as asymbol. ko is at rank #9,864, tagged as anoun, pronounced \ko\.

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 33459, this pair ranks #290,500 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of keV vs ko

Shared letters: k. Private to "keV": ev. Private to "ko": o.

"keV" · 3 letters · shape CVC  ·  "ko" · 2 letters · shape CV

Frequently Asked Questions

Do "keV" and "ko" mean the same thing in a sentence?
No - they are not even the same part of speech. "keV" is a symbol and "ko" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "keV" or "ko" show up more?
"ko" is the more common of the two: it sits at frequency rank #9,864 in our French list, against #23,595 for "keV". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "keV" vs "ko" is on the table, pick a follow-up below.

  • Full dictionary entry for "keV" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ko" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #290,500 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "keV" and "ko" also get mixed up with nearby pairs, the highest-scored neighbour is "keV vs ky". Nearby pair

Confusion rank #290,500 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list