nocivavsnoivaWhich spelling fits?

Quick tell: nociva is a adjective, noiva is a noun, so they fill different roles in a sentence.

Which to use

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

#42,129
“nociva” frequency rank
#4,328
“noiva” frequency rank
46457
confusion score

Side-by-Side Comparison

Feature nociva noiva
Definition que causa dano, prejuízo ou malefício; prejudicial mulher comprometida em casar-se ou que irá casar-se logo

Letter map: nociva vs noiva

Shared letters muted; letters that set nociva and noiva apart highlighted. Shared run: 5. nociva runs 6 letters (CVCVCV) against noiva's 5 (CVVCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
nociva
5 ch
noiva

Part-of-speech tell for nociva / noiva

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: nociva is anadjective and noivaanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 46457, derived from the frequency rank of both members and their visual similarity.

nociva is recorded at frequency rank #42,129, classified as anadj. noiva is at rank #4,328, tagged as anoun, pronounced /ˈnoj.vɐ/.

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 46457, this pair ranks #18,839 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of nociva vs noiva

Shared letters: ainov. Private to "nociva": c. Private to "noiva": -.

"nociva" · 6 letters · shape CVCVCV  ·  "noiva" · 5 letters · shape CVVCV

Known mistypes of this pair

  • nociva ← ncoiva · nnociva · nocciva · nociav · nocivva · nocvia · noicva · onciva
  • noiva ← niova · nnoiva · noiav · noivva · novia · oniva

Frequently Asked Questions

Is swapping "nociva" for "noiva" ever safe?
No - they are not even the same part of speech. "nociva" is an adjective and "noiva" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "nociva" vs "noiva" - which ranks higher?
"noiva" is the more common of the two: it sits at frequency rank #4,328 in our Portuguese list, against #42,129 for "nociva". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "nociva" and "noiva". Here's where to go from here.

  • Full dictionary entry for "nociva" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "noiva" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #18,839 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "nociva" and "noiva" also get mixed up with nearby pairs, the highest-scored neighbour is "nociva vs nocivo". 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 #18,839 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