naivsnonTell them apart

Which to use

“nai” and “non” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#43,733
“nai” frequency rank
#9,501
“non” frequency rank
53234
confusion score

Side-by-Side Comparison

Feature nai non
Definition Madre. Dícese del número no divisible por dos.

Where the eye mixes nai and non

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
nai
3 ch
non

Look-alike desk: nai vs non

A purely visual mix-up. nai ([ˈna̠j]) and non ([ˈnõn]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 53234, derived from the frequency rank of both members and their visual similarity.

nai is recorded at frequency rank #43,733, classified as anoun, pronounced [ˈna̠j]. non is at rank #9,501, tagged as anoun, pronounced [ˈnõn].

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 53234, this pair ranks #88,870 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nai vs non

Shared letters: n. Private to "nai": ai. Private to "non": o.

"nai" · 3 letters · shape CVV  ·  "non" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "nai" for "non" ever safe?
No. They are said differently ([ˈna̠j] versus [ˈnõn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "nai" vs "non" - which ranks higher?
"non" is the more common of the two: it sits at frequency rank #9,501 in our Spanish list, against #43,733 for "nai". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "nai" 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 #88,870 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "nai" and "non" also get mixed up with nearby pairs, the highest-scored neighbour is "nai vs nox". Nearby pair

Confusion rank #88,870 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