raivavsrivalWhich spelling fits?

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

Which to use

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

#1,906
“raiva” frequency rank
#5,998
“rival” frequency rank
7904
confusion score

Side-by-Side Comparison

Feature raiva rival
Definition doença infecciosa aguda causada por um vírus de ARN da família dos rabdovírus, transmitida ao homem pela mordida de animais infectados, como o cão, gato, lobo etc., caracterizada por lesões do sistema nervoso central que provocam convulsão, tetania e paralisia respiratória; hidrofobia que rivaliza

Where the eye mixes raiva and rival

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
raiva
5 ch
rival

Visual trap between raiva and rival

These two trip readers on the page rather than in the ear: raiva is /ˈRaj.vɐ/ while rival is /Ri.ˈvaɫ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 4 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 7904, derived from the frequency rank of both members and their visual similarity.

raiva is recorded at frequency rank #1,906, classified as anoun, pronounced /ˈRaj.vɐ/. rival is at rank #5,998, tagged as anadj, pronounced /Ri.ˈvaɫ/.

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 7904, this pair ranks #66,068 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of raiva vs rival

Shared letters: airv. Private to "raiva": -. Private to "rival": l.

"raiva" · 5 letters · shape CVVCV  ·  "rival" · 5 letters · shape CVCVC

Known mistypes of this pair

  • raivaariva · raiav · raivva · ravia · riava · rraiva
  • rivalirval · riavl · rivall · rivla · rivval · rrival · rvial

Frequently Asked Questions

Is swapping "raiva" for "rival" ever safe?
No - they are not even the same part of speech. "raiva" is a noun and "rival" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "raiva" vs "rival" - which ranks higher?
"raiva" is the more common of the two: it sits at frequency rank #1,906 in our Portuguese list, against #5,998 for "rival". 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 "raiva" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rival" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #66,068 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "raiva" and "rival" also get mixed up with nearby pairs, the highest-scored neighbour is "rimar vs rival". 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 #66,068 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