mouthwash

noun

"mouthwash" is a 9-letter English headword indexed on PlainSpell.

The verdict

“mouthwash” has 14 generated spelling variants in the English index at frequency #41,263. The variants make it a useful spelling check.

#41,263
frequency rank, English
4,057
“M” headwords
14
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A liquid used to clean one's mouth.

Corpus desk

Index EN-mouthwash · mouthwash · English

mouthwash · rank #41,263 · 14 variants · 0 confusables

  • FREQ-MID #41,263
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH Mowbray

Nearest frequency peer: Mowbray (+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 “mouthwash”

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

corpus weight

What this shows “mouthwash” 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
Key facts for mouthwash
PropertyValue
Headwordmouthwash
LanguageEnglish
Part of speechNoun
Letters9
Frequency rank#41,263
Misspellings tracked14
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “mouthwash”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).mouthwashlands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “Mowbray” (#41,264), “MRC” (#41,265), “MRSA” (#41,266). Among 4,057 “M” headwords, “mouthwash” is #41,263. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around mouthwash, anoun. Corpus frequency is #41,263 among 4,057 “M” headwords. Dominant gloss: "A liquid used to clean one's mouth.".

Our generated misspelling index lists 14 likely wrong-spelling variants for mouthwash, with forms such as "mmouthwash", "motuhwash", and "mouhtwash". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. This headword has no recorded confusable partner, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From mouth + wash. The correct English form is mouthwash, spelled M-O-U-T-H-W-A-S-H.

Definition

  1. 1
    A liquid used to clean one's mouth.

Etymology

From mouth + wash.

This word in other languages

Common misspellings

Also misspelled as:

  • mmouthwash
  • motuhwash
  • mouhtwash
  • mouthawsh
  • mouthhwash
  • mouthwahs
  • mouthwashh
  • mouthwassh
  • mouthwsah
  • mouthwwash
  • moutthwash
  • moutwhash
  • muothwash
  • omuthwash

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of mouthwash - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

mmouthwash1motuhwash2mouhtwash2mouthawsh2mouthhwash1mouthwahs2mouthwashh1mouthwassh1
Edit distance from "mouthwash"

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 "mouthwash"?
"mouthwash" is spelled M-O-U-T-H-W-A-S-H.
What does "mouthwash" mean?
As a noun, "mouthwash" means: A liquid used to clean one's mouth.
What are common misspellings of "mouthwash"?
Common misspellings include "mmouthwash", "motuhwash", "mouhtwash", "mouthawsh", "mouthhwash". The correct spelling is "mouthwash".
What is the origin of the word "mouthwash"?
From mouth + wash. 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 "mouthwash", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list