ninvsnonConfusable pair

Quick tell: nin is a noun, non is an adverb, so they fill different roles in a sentence.

Which to use

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

#34,610
“nin” frequency rank
#515
“non” frequency rank
35125
confusion score

Side-by-Side Comparison

Feature nin non
Definition Affectionate name for a grandmother. Obsolete form of none.

Where the eye mixes nin and non

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

3 ch
nin
3 ch
non

Why the eye confuses nin with non

These two trip readers on the page rather than in the ear: nin is /nɪn/ while non is /nɑn/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - i in “nin” becomes o in “non”, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 35125, derived from the frequency rank of both members and their visual similarity.

nin is recorded at frequency rank #34,610, classified as anoun, pronounced /nɪn/. non is at rank #515, tagged as anadv, pronounced /nɑn/.

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 35125, this pair ranks #314,680 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nin vs non

Shared letters: n. Private to "nin": i. Private to "non": o.

"nin" · 3 letters · shape CVC  ·  "non" · 3 letters · shape CVC

Frequently Asked Questions

Can "nin" and "non" be used interchangeably?
No - they are not even the same part of speech. "nin" is a noun and "non" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "nin" or "non" show up more?
"non" is the more common of the two: it sits at frequency rank #515 in our English list, against #34,610 for "nin". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "nin" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "non" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #314,680 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "nin" and "non" also get mixed up with nearby pairs, the highest-scored neighbour is "nin vs NPL". Nearby pair

Confusion rank #314,680 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list