must

noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“must” has 6 generated spelling variants in the Portuguese index at frequency #17,586. The variants make it a useful spelling check.

#17,586
frequency rank, Portuguese
1,087
“M” headwords
6
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - algo necessário, geralmente por estar na moda, por ser muito popular ou básico

Corpus desk

Index PT-must · must · Portuguese

must · rank #17,586 · 6 variants · 20 confusables

  • FREQ-MID #17,586
  • LEN-MID 4 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-MID 6 variants
  • BOOK-MID 1,087
  • PHOTO-FINISH mística

Nearest frequency peer: mística (+1 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.

Pares de rank junto ao íman ortográfico “must”

Mesma faixa de raridade: útil se um typo cair num lema vizinho

corpus weight

What this shows “must” está entre estes pares FrequencyWords; a profundidade de typo mede-se à parte no gráfico de distância de edição.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

must vs muto
50% similar
must vs mas
50% similar
must vs mês
50% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for must
PropertyValue
Headwordmust
LanguagePortuguese
Part of speechNoun
Letters4
Frequency rank#17,586
Misspellings tracked6
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequência do íman ortográfico “must”

A frequência vai do punhado de palavras do dia a dia (esquerda) à cauda longa quase nunca usada (direita).mustcai aqui:

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

Os ticks avançam em logaritmo; cada um é da ordem de dez vezes mais raro. Na mesma faixa de raridade aparecem “mística” (#17,587), “much” (#17,584), “nervosismo” (#17,590). Entre 1,087 lemas com “M”, “must” fica em #17,586. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 6 spelling variants around must, anoun. Corpus frequency is #17,586 among 1,087 “M” headwords. Dominant gloss: "algo necessário, geralmente por estar na moda, por ser muito popular ou básico".

Our generated misspelling index lists 6 likely wrong-spelling variants for must, with forms such as "mmust", "msut", and "musst". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "muto", "mas", "mês", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Wiktionary doesn't record an etymology for this headword, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct Portuguese form is must, spelled M-U-S-T.

Definition

  1. 1
    algo necessário, geralmente por estar na moda, por ser muito popular ou básico

Recorded use

Wiktionary example

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

  1. Maquiagem colorida é um must do carnaval.

Common misspellings

Also misspelled as:

  • mmust
  • msut
  • musst
  • mustt
  • muts
  • umst

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of must - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

mmust1msut2musst1mustt1muts2umst2
Edit distance from "must"

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 "must"?
"must" is spelled M-U-S-T.
What does "must" mean?
As a noun, "must" means: algo necessário, geralmente por estar na moda, por ser muito popular ou básico
What words are commonly confused with "must"?
"must" is commonly confused with "muto", "mas", "mês". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "must" come from?
"must" is a Portuguese word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 "must", not the corpus desk frequency band.

Same letter count

Frequency-ranked Portuguese headwords with 4 letters (nearest by frequency rank).

much#17,584lang#17,555I've#17,535wake#17,674

Similar misspelling depth

Headwords with a similar count of attested misspellings (6 here; floor ≥5).

Olavo6 variantsviação6 variantsagudo6 variantsépica6 variants

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

Source: FrequencyWords open word-frequency list