mast

/mɑːst/

//mɑːst// noun

"mast" is a 4-letter English headword indexed on PlainSpell.

The verdict

“mast” has 5 generated spelling variants in the English index at frequency #14,584. The variants make it a useful spelling check.

#14,584
frequency rank, English
4,057
“M” headwords
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A tall, slim post or tower, usually tapering upward, used to support, for example, sails or observation platforms on a ship, the main rotor of a helicopter, flags, floodlights, meteorological instr...

Corpus desk

Index EN-mast · mast · English

mast · rank #14,584 · 5 variants · 20 confusables

  • FREQ-MID #14,584
  • LEN-MID 4 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-MID 5 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH mandarin

Nearest frequency peer: mandarin (-1 rank slots)

Read with this headword: Spelling guide for this pattern

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.

Rank peers near misspelling magnet “mast”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “mast” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

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).

mast vs MS
0% similar
mast vs MT
0% similar
mast vs may
50% similar

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

Key facts for mast
PropertyValue
Headwordmast
LanguageEnglish
Part of speechNoun
IPA/mɑːst/
Letters4
Frequency rank#14,584
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “mast”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).mastlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “mandarin” (#14,583), “matte” (#14,585), “lockdown” (#14,582). Among 4,057 “M” headwords, “mast” is #14,584. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 5 spelling variants around mast (IPA /mɑːst/), anoun. Corpus frequency is #14,584 among 4,057 “M” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 5 likely wrong-spelling variants for mast, with forms such as "amst", "masst", and "mastt". 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, "MS", "MT", "may", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English mast, from Old English mæst (“mast”), from Proto-West Germanic *mast, from Proto-Germanic *mastaz (“mast, sail-pole”), from Proto-Indo-European *mazdos (“pole, mast”). Cognate with Dutch mast, German Mast, and via Indo-European with Lati… The correct English form is mast, spelled M-A-S-T.

Definition

  1. 1
    A tall, slim post or tower, usually tapering upward, used to support, for example, sails or observation platforms on a ship, the main rotor of a helicopter, flags, floodlights, meteorological instruments, or communications equipment, such as an aerial, usually supported by guy-wires (except in the case of a helicopter).
  2. 2
    A non-judicial punishment ("NJP"); a disciplinary hearing under which a commanding officer studies and disposes of cases involving those under his command.

Etymology

From Middle English mast, from Old English mæst (“mast”), from Proto-West Germanic *mast, from Proto-Germanic *mastaz (“mast, sail-pole”), from Proto-Indo-European *mazdos (“pole, mast”). Cognate with Dutch mast, German Mast, and via Indo-European with Latin mālus, Russian мост (most, “bridge”), Irish adhmad.

This word in other languages

Common misspellings

Also misspelled as:

  • amst
  • masst
  • mastt
  • mmast
  • msat

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of mast - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

amst2masst1mastt1mmast1msat2
Edit distance from "mast"

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "mast"?
"mast" is spelled M-A-S-T. The IPA pronunciation is /mɑːst/.
What does "mast" mean?
As a noun, "mast" means: A tall, slim post or tower, usually tapering upward, used to support, for example, sails or observation platforms on a ship, the main rotor of a helicopter, flags, floodlights, meteorological instr...
What words are commonly confused with "mast"?
"mast" is commonly confused with "MS", "MT", "may". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "mast"?
The IPA (International Phonetic Alphabet) transcription for "mast" is /mɑːst/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "mast"?
From Middle English mast, from Old English mæst (“mast”), from Proto-West Germanic *mast, from Proto-Germanic *mastaz (“mast, sail-pole”), from Proto-Indo-European *mazdos (“pole, mast”). Cognate with Dutch mast, German Mast, and via Indo-European... See the full etymology section above for more details.
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 English words by spelling shape

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

Same letter count

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

Similar misspelling depth

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

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

Source: FrequencyWords open word-frequency list