nuvsNullWhat's the difference?

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

Which to use

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

#3,697
“nu” frequency rank
#45,201
“Null” frequency rank
48898
confusion score

Side-by-Side Comparison

Feature nu Null
Definition Qui n’a pas de vêtements, qui est dévêtu. Zéro.

Where the eye mixes nu and Null

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

2 ch
nu
4 ch
Null

Visual trap between nu and Null

These two trip readers on the page rather than in the ear: nu is \ny\ while Null is \nʊl\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “nu” sits inside “Null”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 48898, derived from the frequency rank of both members and their visual similarity.

nu is recorded at frequency rank #3,697, classified as anadj, pronounced \ny\. 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 48898, this pair ranks #175,155 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nu vs Null

Shared letters: nu. Private to "nu": -. Private to "Null": l.

"nu" · 2 letters · shape CV  ·  "Null" · 4 letters · shape CVCC

Known mistypes of this pair

  • Nullnlul · nnull · unll

Frequently Asked Questions

Do "nu" and "Null" mean the same thing in a sentence?
No - they are not even the same part of speech. "nu" is an adjective and "Null" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "nu" or "Null"?
"nu" is the more common of the two: it sits at frequency rank #3,697 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.

After this comparison

Eye-level mix-up between "nu" and "Null" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "nu" 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 #175,155 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "nu" 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 #175,155 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