Which to use
“nm” is a noun and “noi” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #14,658
- “nm” frequency rank
- #45,471
- “noi” frequency rank
- 60129
- confusion score
Side-by-Side Comparison
| Feature | nm | noi |
|---|---|---|
| Definition | Abreviatura de nanómetro. | Nosotros |
Where the eye mixes nm and noi
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: nm vs noi
These two trip readers on the page rather than in the ear: nm is [ˈm] while noi is /ˈnoj/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 60129, 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]. noi is at rank #45,471, tagged as apron, pronounced /ˈnoj/.
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 60129, this pair ranks #60,038 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of nm vs noi
Shared letters: n. Private to "nm": m. Private to "noi": io.
"nm" · 2 letters · shape CC · "noi" · 3 letters · shape CVV
Frequently Asked Questions
Is swapping "nm" for "noi" ever safe?
Frequency check: "nm" vs "noi" - which ranks higher?
What to do next
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 "noi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #60,038 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "nm" and "noi" also get mixed up with nearby pairs, the highest-scored neighbour is "noi vs nox". Nearby pair
Confusion rank #60,038 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.