istmo

noun

The verdict

“istmo” is uncommon Portuguese (frequency #88,325 among 938 “I” headwords), classed as a noun. The kind of spelling people second-guess.

#88,325
frequency rank, Portuguese
938
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - trecho de terra que une dois continentes ou um continente a uma península

Corpus desk

Index PT-istmo · istmo · Portuguese

istmo · rank #88,325 · 0 variants · 0 confusables

  • FREQ-RARE #88,325
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 938
  • PHOTO-FINISH kakao

Nearest frequency peer: kakao (+17 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 “istmo”

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

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for istmo
PropertyValue
Headwordistmo
LanguagePortuguese
Part of speechNoun
Letters5
Frequency rank#88,325
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cauda longa: rank de “istmo” em português

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

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

A escala é logarítmica (cada marca ≈ 10× mais rara). Vizinhos raros da mesma faixa: “kakao” (#88,342), “incubar” (#88,294), “leporino” (#88,360). Entre 938 lemas com “I”, “istmo” fica em #88,325. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

istmo is uncommon Portuguese at frequency #88,325 among 938 “I” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "trecho de terra que une dois continentes ou um continente a uma península".

istmo doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, which typically means the spelling is too distinctive to be mistaken for another word.

This headword's origin isn't recorded in our source data, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Portuguese form is istmo, spelled I-S-T-M-O.

Definition

  1. 1
    trecho de terra que une dois continentes ou um continente a uma península

Recorded use

Wiktionary example

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

  1. Uma queda de rochas decorrente de terremotos posteriores teria preenchido o antigo canal marinho, criando um istmo.

This word in other languages

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 "istmo"?
"istmo" is spelled I-S-T-M-O.
What does "istmo" mean?
As a noun, "istmo" means: trecho de terra que une dois continentes ou um continente a uma península
What language does "istmo" come from?
"istmo" is a Portuguese word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 "istmo", not the corpus desk frequency band.

Same letter count

Frequency-ranked Portuguese headwords with 5 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list