ariranha

noun

The verdict

“ariranha” is uncommon Portuguese (frequency #68,609 among 1,900 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#68,609
frequency rank, Portuguese
1,900
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - mamífero semiaquático da família Mustelidae, de nome científico Pteronura brasiliensis, conhecido também como lontra-gigante, nativo da América do Sul, especialmente da Amazônia e do Pantanal

Corpus desk

Index PT-ariranha · ariranha · Portuguese

ariranha · rank #68,609 · 0 variants · 0 confusables

  • FREQ-RARE #68,609
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,900
  • PHOTO-FINISH argumentativo

Nearest frequency peer: argumentativo (-2 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Ranks da cauda longa perto de “ariranha”

Faixa escassa: as barras invertem o rank para o raro ler-se mais curto

corpus weight

What this shows Vista da cauda longa: onde “ariranha” se situa face a ranks portugueses igualmente raros.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for ariranha
PropertyValue
Headwordariranha
LanguagePortuguese
Part of speechNoun
Letters8
Frequency rank#68,609
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cauda longa: rank de “ariranha” em português

Da esquerda para a direita: o pouco que carrega a fala diária, depois a cauda longa quase invisível.ariranhacai nesta cauda de raridade:

#1#100#1K#10K#100K
← used constantlyrarely used →

O eixo é logarítmico: cada tick marca cerca de dez vezes menos frequência. Vizinhos raros da mesma faixa: “argumentativo” (#68,607), “arquitectónica” (#68,611), “apologista” (#68,602). Entre 1,900 lemas com “A”, “ariranha” fica em #68,609. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ariranha is uncommon Portuguese at frequency #68,609 among 1,900 “A” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "mamífero semiaquático da família Mustelidae, de nome científico Pteronura brasiliensis, conhecido também como lontra-gigante, nativo da América do Sul, especialmente da Amazônia e do Pantanal".

Our edit-distance generator produced no likely misspellings for ariranha, typically a sign the spelling maps closely to how the word sounds. Our dataset records no confusable match here, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This entry carries no recorded etymology, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct Portuguese form is ariranha, spelled A-R-I-R-A-N-H-A.

Definition

  1. 1
    mamífero semiaquático da família Mustelidae, de nome científico Pteronura brasiliensis, conhecido também como lontra-gigante, nativo da América do Sul, especialmente da Amazônia e do Pantanal

Recorded use

Wiktionary example

These source excerpts show how ariranha appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. A ariranha vive em grupos familiares e se alimenta principalmente de peixes

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ariranha"?
"ariranha" is spelled A-R-I-R-A-N-H-A.
What does "ariranha" mean?
As a noun, "ariranha" means: mamífero semiaquático da família Mustelidae, de nome científico Pteronura brasiliensis, conhecido também como lontra-gigante, nativo da América do Sul, especialmente da Amazônia e do Pantanal
What language does "ariranha" come from?
"ariranha" is a Portuguese word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar Portuguese words by spelling shape

Same letter count and similar misspelling depth for "ariranha", not the corpus desk frequency band.

Same letter count

Frequency-ranked Portuguese headwords with 8 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list