nmvsnunWhat's the difference?

Which to use

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

#14,658
“nm” frequency rank
#37,753
“nun” frequency rank
52411
confusion score

Side-by-Side Comparison

Feature nm nun
Definition Abreviatura de nanómetro. Decimocuarta letra del alfabeto hebreo

Where the eye mixes nm and nun

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
nm
3 ch
nun

Look-alike desk: nm vs nun

A purely visual mix-up. nm ([ˈm]) 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 1 letter(s) in length. Our composite confusion score for this pair is 52411, derived from the frequency rank of both members and their visual similarity.

nm is recorded at frequency rank #14,658, classified as anoun, pronounced [ˈm]. 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 52411, this pair ranks #92,833 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nm vs nun

Shared letters: n. Private to "nm": m. Private to "nun": u.

"nm" · 2 letters · shape CC  ·  "nun" · 3 letters · shape CVC

Frequently Asked Questions

Do "nm" and "nun" mean the same thing in a sentence?
No. They are said differently ([ˈm] versus [ˈnũn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "nm" vs "nun" - which ranks higher?
"nm" is the more common of the two: it sits at frequency rank #14,658 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 "nm" 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 #92,833 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "nm" and "nun" also get mixed up with nearby pairs, the highest-scored neighbour is "nox vs nun". Nearby pair

Confusion rank #92,833 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