nadvsnunWhich spelling fits?

Quick tell: nad is a preposition, nun is an adverb, so they fill different roles in a sentence.

Which to use

“nad” is a preposition and “nun” is an adverb - they look or sound alike but fill different roles in a sentence.

#33,954
“nad” frequency rank
#39,280
“nun” frequency rank
73234
confusion score

Side-by-Side Comparison

Feature nad nun
Definition em cima, acima de agora, neste momento:

Where the eye mixes nad and nun

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. nad and nun follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
nad
3 ch
nun

Look-alike desk: nad vs nun

These two trip readers on the page rather than in the ear: nad is /ˈnat/ ouvir^(fonte ?) while nun is /ˈnuːn/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (preposition vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 73234, derived from the frequency rank of both members and their visual similarity.

nad is recorded at frequency rank #33,954, classified as aprep, pronounced /ˈnat/ ouvir^(fonte ?). nun is at rank #39,280, tagged as anadv, pronounced /ˈnuːn/.

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 73234, this pair ranks #2,827 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of nad vs nun

Shared letters: n. Private to "nad": ad. Private to "nun": u.

"nad" · 3 letters · shape CVC  ·  "nun" · 3 letters · shape CVC

Frequently Asked Questions

Do "nad" and "nun" mean the same thing in a sentence?
No - they are not even the same part of speech. "nad" is a preposition and "nun" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "nad" or "nun" show up more?
"nad" is the more common of the two: it sits at frequency rank #33,954 in our Portuguese list, against #39,280 for "nun". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "nad" and "nun" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "nad" 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 #2,827 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "nad" and "nun" also get mixed up with nearby pairs, the highest-scored neighbour is "noon vs nun". Nearby pair

Confusion rank #2,827 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