noravsnulaWhich spelling fits?

Quick tell: nora is a noun, nula is an adjective, so they fill different roles in a sentence.

Which to use

“nora” is a noun and “nula” is an adjective - they look or sound alike but fill different roles in a sentence.

#9,897
“nora” frequency rank
#21,530
“nula” frequency rank
31427
confusion score

Side-by-Side Comparison

Feature nora nula
Definition esposa do filho ou da filha feminino de nulo

Where the eye mixes nora and nula

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. nora and nula follow the identical consonant-vowel pattern (CVCV). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
nora
4 ch
nula

Look-alike desk: nora vs nula

These two trip readers on the page rather than in the ear: nora is /ˈnɔ.ɾɐ/ while nula is /ˈnu.lɐ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 31427, derived from the frequency rank of both members and their visual similarity.

nora is recorded at frequency rank #9,897, classified as anoun, pronounced /ˈnɔ.ɾɐ/. nula is at rank #21,530, tagged as anadj, pronounced /ˈnu.lɐ/.

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 31427, this pair ranks #36,657 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nora vs nula

Shared letters: an. Private to "nora": or. Private to "nula": lu.

"nora" · 4 letters · shape CVCV  ·  "nula" · 4 letters · shape CVCV

Known mistypes of this pair

  • nora ← nnora · noar · norra · nroa · onra
  • nula ← nlua · nnula · nual · nulla · unla

Frequently Asked Questions

Is swapping "nora" for "nula" ever safe?
No - they are not even the same part of speech. "nora" is a noun and "nula" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "nora" vs "nula" - which ranks higher?
"nora" is the more common of the two: it sits at frequency rank #9,897 in our Portuguese list, against #21,530 for "nula". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "nora" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nula" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #36,657 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "nora" and "nula" also get mixed up with nearby pairs, the highest-scored neighbour is "nula vs null". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #36,657 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