KvskgWhich spelling fits?

Which to use

“K” and “kg” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#2,132
“K” frequency rank
#3,770
“kg” frequency rank
5902
confusion score

Side-by-Side Comparison

Feature K kg
Definition Symbolisation de la potasse (K₂O). Symbole du kilogramme, unité de mesure de masse du Système international (SI), valant 10³ grammes.

Letter map: K vs kg

Shared letters muted; letters that set K and kg apart highlighted. Shared run: 1.

1 ch
K
2 ch
kg

Spelling & dictionary notes on K vs kg

K and kg are indexed as a confusable French pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 extra letter(s) - “K” sits inside “kg”. Our composite confusion score for this pair is 5902, derived from the frequency rank of both members and their visual similarity.

K is recorded at frequency rank #2,132, classified as asymbol. kg is at rank #3,770, tagged as asymbol.

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 5902, this pair ranks #427,728 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of K vs kg

Shared letters: k. Private to "K": -. Private to "kg": g.

"K" · 1 letters · shape C  ·  "kg" · 2 letters · shape CC

Frequently Asked Questions

Do "K" and "kg" mean the same thing in a sentence?
No. They differ by 1 extra letter(s) - “K” sits inside “kg”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "K" vs "kg" - which ranks higher?
"K" is the more common of the two: it sits at frequency rank #2,132 in our French list, against #3,770 for "kg". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "K" vs "kg" is on the table, pick a follow-up below.

  • Full dictionary entry for "K" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "kg" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #427,728 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "K" and "kg" also get mixed up with nearby pairs, the highest-scored neighbour is "kg vs ky". Nearby pair

Confusion rank #427,728 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