newvsnonWhich spelling fits?

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

Which to use

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

#1,338
“new” frequency rank
#6,793
“non” frequency rank
8131
confusion score

Side-by-Side Comparison

Feature new non
Definition novo: não

Letter map: new vs non

Shared letters muted; letters that set new and non apart highlighted. Shared run: 1.

3 ch
new
3 ch
non

Grammar separator: new vs non

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: new is anadjective and nonanadverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 8131, derived from the frequency rank of both members and their visual similarity.

new is recorded at frequency rank #1,338, classified as anadj, pronounced /nuː/. non is at rank #6,793, tagged as anadv.

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 8131, this pair ranks #65,761 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of new vs non

Shared letters: n. Private to "new": ew. Private to "non": o.

"new" · 3 letters · shape CVC  ·  "non" · 3 letters · shape CVC

Frequently Asked Questions

Can "new" and "non" be used interchangeably?
No - they are not even the same part of speech. "new" is an adjective and "non" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "new" vs "non" - which ranks higher?
"new" is the more common of the two: it sits at frequency rank #1,338 in our Portuguese list, against #6,793 for "non". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "new" vs "non" is on the table, pick a follow-up below.

  • Full dictionary entry for "new" 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 #65,761 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "new" and "non" also get mixed up with nearby pairs, the highest-scored neighbour is "non vs noon". Nearby pair

Confusion rank #65,761 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