nuavsnumTell them apart

Quick tell: nua is a adjective, num is an adverb, so they fill different roles in a sentence.

Which to use

“nua” is an adjective and “num” is an adverb - they look or sound alike but fill different roles in a sentence.

#7,808
“nua” frequency rank
#234
“num” frequency rank
8042
confusion score

Side-by-Side Comparison

Feature nua num
Definition feminino de nu o mesmo que não

Letter map: nua vs num

Shared letters muted; letters that set nua and num apart highlighted. Shared run: 2.

3 ch
nua
3 ch
num

Grammar separator: nua vs num

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: nua is anadjective and numanadverb. On the page they differ by a single letter - a in “nua” becomes m in “num”. Our composite confusion score for this pair is 8042, derived from the frequency rank of both members and their visual similarity.

nua is recorded at frequency rank #7,808, classified as anadj, pronounced /ˈnu.ɐ/. num is at rank #234, tagged as anadv.

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 8042, this pair ranks #65,887 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of nua vs num

Shared letters: nu. Private to "nua": a. Private to "num": m.

"nua" · 3 letters · shape CVV  ·  "num" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "nua" for "num" ever safe?
No - they are not even the same part of speech. "nua" is an adjective and "num" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "nua" vs "num" - which ranks higher?
"num" is the more common of the two: it sits at frequency rank #234 in our Portuguese list, against #7,808 for "nua". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "nua" and "num". Here's where to go from here.

  • Full dictionary entry for "nua" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "num" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #65,887 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "nua" and "num" also get mixed up with nearby pairs, the highest-scored neighbour is "nua vs null". Nearby pair

Confusion rank #65,887 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list