nievsninWhat's the difference?

Quick tell: nie is a noun, nin is a pronoun, so they fill different roles in a sentence.

Which to use

“nie” is a noun and “nin” is a pronoun - they look or sound alike but fill different roles in a sentence.

#38,268
“nie” frequency rank
#32,308
“nin” frequency rank
70576
confusion score

Side-by-Side Comparison

Feature nie nin
Definition Perineo. Ese .

Where the eye mixes nie and nin

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
nie
3 ch
nin

Look-alike desk: nie vs nin

These two trip readers on the page rather than in the ear: nie is [ˈnje] while nin is /ˈnin/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - e in “nie” becomes n in “nin”, and the parts of speech differ too (noun vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 70576, derived from the frequency rank of both members and their visual similarity.

nie is recorded at frequency rank #38,268, classified as anoun, pronounced [ˈnje]. nin is at rank #32,308, tagged as apron, pronounced /ˈnin/.

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 70576, this pair ranks #29,374 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of nie vs nin

Shared letters: in. Private to "nie": e. Private to "nin": -.

"nie" · 3 letters · shape CVV  ·  "nin" · 3 letters · shape CVC

Frequently Asked Questions

Can "nie" and "nin" be used interchangeably?
No - they are not even the same part of speech. "nie" is a noun and "nin" a pronoun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "nie" or "nin" show up more?
"nin" is the more common of the two: it sits at frequency rank #32,308 in our Spanish list, against #38,268 for "nie". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "nie" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nin" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #29,374 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "nie" and "nin" also get mixed up with nearby pairs, the highest-scored neighbour is "nie vs nox". Nearby pair

Confusion rank #29,374 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