keVvskeysTell them apart

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

Which to use

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

#23,595
“keV” frequency rank
#26,075
“keys” frequency rank
49670
confusion score

Side-by-Side Comparison

Feature keV keys
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. Pluriel de key.

Letter map: keV vs keys

Shared letters muted; letters that set keV and keys apart highlighted. Shared run: 2.

3 ch
keV
4 ch
keys

Role in the sentence - keV and keys

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: keV is asymbol and keysanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 49670, derived from the frequency rank of both members and their visual similarity.

keV is recorded at frequency rank #23,595, classified as asymbol. keys is at rank #26,075, tagged as anoun, pronounced \ˈkiːz\.

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 49670, this pair ranks #168,780 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of keV vs keys

Shared letters: ek. Private to "keV": v. Private to "keys": sy.

"keV" · 3 letters · shape CVC  ·  "keys" · 4 letters · shape CVVC

Known mistypes of this pair

  • keysekys · kesy · keyss · keyys · kkeys · kyes

Frequently Asked Questions

Can "keV" and "keys" be used interchangeably?
No - they are not even the same part of speech. "keV" is a symbol and "keys" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "keV" or "keys"?
"keV" is the more common of the two: it sits at frequency rank #23,595 in our French list, against #26,075 for "keys". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "keV" and "keys". Here's where to go from here.

  • Full dictionary entry for "keV" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "keys" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #168,780 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "keV" and "keys" also get mixed up with nearby pairs, the highest-scored neighbour is "keys vs ky". 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 #168,780 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