nivsnunWhat's the difference?

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

Which to use

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

#8,234
“ni” frequency rank
#39,280
“nun” frequency rank
47514
confusion score

Side-by-Side Comparison

Feature ni nun
Definition nós, pronome da segunda pessoa do plural agora, neste momento:

Where the spellings diverge

Shared letters are muted; the letters that actually set ni and nun apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

2 ch
ni
3 ch
nun

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ni is apronoun and nunanadverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 47514, derived from the frequency rank of both members and their visual similarity.

ni is recorded at frequency rank #8,234, classified as apron. 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 47514, this pair ranks #17,723 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ni vs nun

Shared letters: n. Private to "ni": i. Private to "nun": u.

"ni" · 2 letters · shape CV  ·  "nun" · 3 letters · shape CVC

Frequency comparison

ni#8,234
nun#39,280

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "ni" and "nun" be used interchangeably?
No - they are not even the same part of speech. "ni" is a pronoun and "nun" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ni" or "nun"?
"ni" is the more common of the two: it sits at frequency rank #8,234 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.

Remembering ni vs nun

The fastest way to pick the right one every time.

  • Check the role first: if you need a pronoun, it's “ni”; for an adverb, it's “nun”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “ni” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list