nmvsnuiConfusable pair

Which to use

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

#14,658
“nm” frequency rank
#48,561
“nui” frequency rank
63219
confusion score

Side-by-Side Comparison

Feature nm nui
Definition Abreviatura de nanómetro. Grande

Where the eye mixes nm and nui

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

2 ch
nm
3 ch
nui

Visual trap between nm and nui

A purely visual mix-up. nm ([ˈm]) and nui ([ˈnu.i]) 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 63219, 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]. nui is at rank #48,561, tagged as anoun, pronounced [ˈnu.i].

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 63219, this pair ranks #49,433 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of nm vs nui

Shared letters: n. Private to "nm": m. Private to "nui": iu.

"nm" · 2 letters · shape CC  ·  "nui" · 3 letters · shape CVV

Frequently Asked Questions

Do "nm" and "nui" mean the same thing in a sentence?
No. They are said differently ([ˈm] versus [ˈnu.i]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "nm" vs "nui" - which ranks higher?
"nm" is the more common of the two: it sits at frequency rank #14,658 in our Spanish list, against #48,561 for "nui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "nm" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nui" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #49,433 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "nm" and "nui" also get mixed up with nearby pairs, the highest-scored neighbour is "nox vs nui". Nearby pair

Confusion rank #49,433 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