nuitvsNullWhat's the difference?

Which to use

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

#356
“nuit” frequency rank
#45,201
“Null” frequency rank
45557
confusion score

Side-by-Side Comparison

Feature nuit Null
Definition Période qui s’écoule entre le coucher de soleil et le lever du soleil. Zéro.

Where the eye mixes nuit and Null

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
nuit
4 ch
Null

Look-alike desk: nuit vs Null

A purely visual mix-up. nuit (\nɥi\) and Null (\nʊl\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 45557, derived from the frequency rank of both members and their visual similarity.

nuit is recorded at frequency rank #356, classified as anoun, pronounced \nɥi\. Null is at rank #45,201, tagged as anoun, pronounced \nʊl\.

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 45557, this pair ranks #201,840 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nuit vs Null

Shared letters: nu. Private to "nuit": it. Private to "Null": l.

"nuit" · 4 letters · shape CVVC  ·  "Null" · 4 letters · shape CVCC

Known mistypes of this pair

  • nuitniut · nnuit · nuitt · nuti · unit
  • Nullnlul · nnull · unll

Frequently Asked Questions

Can "nuit" and "Null" be used interchangeably?
No. They are said differently (\nɥi\ versus \nʊl\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "nuit" or "Null"?
"nuit" is the more common of the two: it sits at frequency rank #356 in our French list, against #45,201 for "Null". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "nuit" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Null" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #201,840 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "nuit" and "Null" also get mixed up with nearby pairs, the highest-scored neighbour is "nola vs Null". 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 #201,840 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