nonvsnooWhich spelling fits?

Which to use

“non” and “noo” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#9,501
“non” frequency rank
#30,595
“noo” frequency rank
40096
confusion score

Side-by-Side Comparison

Feature non noo
Definition Dícese del número no divisible por dos. Noh.

Where the eye mixes non and noo

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

3 ch
non
3 ch
noo

Look-alike desk: non vs noo

A purely visual mix-up. non ([ˈnõn]) and noo ([ˈnoo]) 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 a single letter - n in “non” becomes o in “noo”. Our composite confusion score for this pair is 40096, derived from the frequency rank of both members and their visual similarity.

non is recorded at frequency rank #9,501, classified as anoun, pronounced [ˈnõn]. noo is at rank #30,595, tagged as anoun, pronounced [ˈnoo].

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 40096, this pair ranks #160,929 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of non vs noo

Shared letters: no. Private to "non": -. Private to "noo": -.

"non" · 3 letters · shape CVC  ·  "noo" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "non" for "noo" ever safe?
No. They are said differently ([ˈnõn] versus [ˈnoo]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "non" vs "noo" - which ranks higher?
"non" is the more common of the two: it sits at frequency rank #9,501 in our Spanish list, against #30,595 for "noo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "non" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "noo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #160,929 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "non" and "noo" also get mixed up with nearby pairs, the highest-scored neighbour is "noo vs nox". Nearby pair

Confusion rank #160,929 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list