LairvslaisWhat's the difference?

Quick tell: Lair is a name, lais is a noun, so they fill different roles in a sentence.

Which to use

“Lair” is a name and “lais” is a noun - they look or sound alike but fill different roles in a sentence.

#36,923
“Lair” frequency rank
#41,862
“lais” frequency rank
78785
confusion score

Side-by-Side Comparison

Feature Lair lais
Definition Nom de famille. Jeune baliveau de l’âge du bois, qu’on laisse quand on coupe le taillis, afin qu’il vienne en haute futaie.

Letter map: Lair vs lais

Shared letters muted; letters that set Lair and lais apart highlighted. Shared run: 3. Lair and lais follow the identical consonant-vowel pattern (CVVC). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
Lair
4 ch
lais

Grammar separator: Lair vs lais

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Lair is aname and laisanoun. On the page they differ by a single letter - r in “Lair” becomes s in “lais”. Our composite confusion score for this pair is 78785, derived from the frequency rank of both members and their visual similarity.

Lair is recorded at frequency rank #36,923, classified as aname. lais is at rank #41,862, tagged as anoun, pronounced \lɛ\.

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 78785, this pair ranks #24,877 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of Lair vs lais

Shared letters: ail. Private to "Lair": r. Private to "lais": s.

"Lair" · 4 letters · shape CVVC  ·  "lais" · 4 letters · shape CVVC

Known mistypes of this pair

  • Lair ← alir · lairr · lari · llair
  • lais ← alis · laiss · lasi · llais

Frequently Asked Questions

Do "Lair" and "lais" mean the same thing in a sentence?
No - they are not even the same part of speech. "Lair" is a name and "lais" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "Lair" or "lais" show up more?
"Lair" is the more common of the two: it sits at frequency rank #36,923 in our French list, against #41,862 for "lais". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "Lair" vs "lais" is on the table, pick a follow-up below.

  • Full dictionary entry for "Lair" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lais" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,877 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Lair" and "lais" also get mixed up with nearby pairs, the highest-scored neighbour is "lago vs lais". 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 #24,877 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