létalevslettreWhat's the difference?

Quick tell: létale is a adjective, lettre is a noun, so they fill different roles in a sentence.

Which to use

“létale” is an adjective and “lettre” is a noun - they look or sound alike but fill different roles in a sentence.

#35,585
“létale” frequency rank
#1,002
“lettre” frequency rank
36587
confusion score

Side-by-Side Comparison

Feature létale lettre
Definition Féminin singulier de létal. Chacun des caractères d’un alphabet représentant un son, voyelle ou consonne.

Where the eye mixes létale and lettre

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. létale (CVCVCV) and lettre (CVCCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
létale
6 ch
lettre

Why the eye confuses létale with lettre

These two trip readers on the page rather than in the ear: létale is \le.tal\ while lettre is \lɛtʁ\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 36587, derived from the frequency rank of both members and their visual similarity.

létale is recorded at frequency rank #35,585, classified as anadj, pronounced \le.tal\. lettre is at rank #1,002, tagged as anoun, pronounced \lɛtʁ\.

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 36587, this pair ranks #268,540 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of létale vs lettre

Shared letters: elt. Private to "létale": aé. Private to "lettre": r.

"létale" · 6 letters · shape CVCVCV  ·  "lettre" · 6 letters · shape CVCCCV

Known mistypes of this pair

  • lettre ← elttre · letre · letrte · lettrre · llettre · ltetre

Frequently Asked Questions

Is swapping "létale" for "lettre" ever safe?
No - they are not even the same part of speech. "létale" is an adjective and "lettre" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "létale" vs "lettre" - which ranks higher?
"lettre" is the more common of the two: it sits at frequency rank #1,002 in our French list, against #35,585 for "létale". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "létale" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lettre" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #268,540 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "létale" and "lettre" also get mixed up with nearby pairs, the highest-scored neighbour is "létale vs levage". 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 #268,540 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