4vs4KConfusable pair

Quick tell: 4 is a num, 4K is a noun, so they fill different roles in a sentence.

Which to use

“4” is a num and “4K” is a noun - they look or sound alike but fill different roles in a sentence.

#161
“4” frequency rank
#14,399
“4K” frequency rank
14560
confusion score

Side-by-Side Comparison

Feature 4 4K
Definition Quatre en chiffres arabes. Définition manquante ou à compléter. (Ajouter)…

Letter map: 4 vs 4K

Shared letters muted; letters that set 4 and 4K apart highlighted. Shared run: 1.

1 ch
4
2 ch
4K

Part-of-speech tell for 4 / 4K

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: 4 is anum and 4Kanoun. On the page they differ by 1 extra letter(s) - “4” sits inside “4K”. Our composite confusion score for this pair is 14560, derived from the frequency rank of both members and their visual similarity.

4 is recorded at frequency rank #161, classified as anum. 4K is at rank #14,399, tagged as anoun, pronounced \katʁ.ka\.

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 14560, this pair ranks #396,137 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of 4 vs 4K

Shared letters: none. Private to "4": -. Private to "4K": k.

"4" · 0 letters · shape  ·  "4K" · 1 letters · shape C

Frequently Asked Questions

Can "4" and "4K" be used interchangeably?
No - they are not even the same part of speech. "4" is a num and "4K" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "4" vs "4K" - which ranks higher?
"4" is the more common of the two: it sits at frequency rank #161 in our French list, against #14,399 for "4K". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "4" and "4K".

  • Full dictionary entry for "4" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "4K" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #396,137 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "4" and "4K" also get mixed up with nearby pairs, the highest-scored neighbour is "4D vs 4K". Nearby pair

Confusion rank #396,137 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