nonvsnunTell them apart

Which to use

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

#9,501
“non” frequency rank
#37,753
“nun” frequency rank
47254
confusion score

Side-by-Side Comparison

Feature non nun
Definition Dícese del número no divisible por dos. Decimocuarta letra del alfabeto hebreo

Where the eye mixes non and nun

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

3 ch
non
3 ch
nun

Why the eye confuses non with nun

A purely visual mix-up. non ([ˈnõn]) and nun ([ˈnũn]) 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 - o in “non” becomes u in “nun”. Our composite confusion score for this pair is 47254, 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]. nun is at rank #37,753, tagged as anoun, pronounced [ˈnũn].

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 47254, this pair ranks #121,082 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of non vs nun

Shared letters: n. Private to "non": o. Private to "nun": u.

"non" · 3 letters · shape CVC  ·  "nun" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "non" for "nun" ever safe?
No. They are said differently ([ˈnõn] versus [ˈnũn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "non" or "nun"?
"non" is the more common of the two: it sits at frequency rank #9,501 in our Spanish list, against #37,753 for "nun". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "non" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #121,082 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "non" and "nun" also get mixed up with nearby pairs, the highest-scored neighbour is "nox vs nun". Nearby pair

Confusion rank #121,082 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