novavsnoxTell them apart

Which to use

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

#13,018
“nova” frequency rank
#36,973
“nox” frequency rank
49991
confusion score

Side-by-Side Comparison

Feature nova nox
Definition Étoile qui devient extrêmement brillante pendant quelques jours par une explosion thermonucléaire sur la surface. Nuit.

Where the eye mixes nova and nox

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

4 ch
nova
3 ch
nox

Why the eye confuses nova with nox

A purely visual mix-up. nova (\nɔ.va\) and nox (\noks\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 49991, derived from the frequency rank of both members and their visual similarity.

nova is recorded at frequency rank #13,018, classified as anoun, pronounced \nɔ.va\. nox is at rank #36,973, tagged as anoun, pronounced \noks\.

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 49991, this pair ranks #166,174 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nova vs nox

Shared letters: no. Private to "nova": av. Private to "nox": x.

"nova" · 4 letters · shape CVCV  ·  "nox" · 3 letters · shape CVC

Known mistypes of this pair

  • novannova · noav · novva · nvoa · onva

Frequently Asked Questions

Is swapping "nova" for "nox" ever safe?
No. They are said differently (\nɔ.va\ versus \noks\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "nova" or "nox" show up more?
"nova" is the more common of the two: it sits at frequency rank #13,018 in our French list, against #36,973 for "nox". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "nova" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nox" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #166,174 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "nova" and "nox" also get mixed up with nearby pairs, the highest-scored neighbour is "nop vs nox". 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 #166,174 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