moss

/mɒs/

//mɒs// noun

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

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

The verdict

“moss” sits in 20 confusable pairs (corpus #8,459) as a noun. The look-alike neighbours are the real trap.

#8,459
frequency rank, English
4,057
“M” headwords
3
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of various small, green, seedless plants growing on the ground or on the surfaces of trees, stones, etc.; now specifically, a plant of the phylum Bryophyta (formerly division Musci).

Corpus desk

Index EN-moss · moss · English

moss · rank #8,459 · 3 variants · 20 confusables

  • FREQ-COMMON #8,459
  • LEN-MID 4 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-LOW 3 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH mosque

Nearest frequency peer: mosque (-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.

Frequency neighbours of confusable “moss”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “moss” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

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).

moss vs MS
0% similar
moss vs Mrs
25% similar
moss vs MPS
0% similar

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

Key facts for moss
PropertyValue
Headwordmoss
LanguageEnglish
Part of speechNoun
IPA/mɒs/
Letters4
Frequency rank#8,459
Misspellings tracked3
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “moss”

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).mosslands here:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “mosque” (#8,458), “Monroe” (#8,457), “MVP” (#8,461). Among 4,057 “M” headwords, “moss” is #8,459. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for moss is neighbouring look-alikes ("MS", "Mrs", …), not just typos; it is anoun pronounced /mɒs/. Frequency #8,459 among 4,057 “M” headwords. 5 recorded senses keep meaning in play.

Our generated misspelling index lists 3 likely wrong-spelling variants for moss, with forms such as "mmoss", "msos", and "omss". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "MS", "Mrs", "MPS", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English mos, from Old English mos (“bog, marsh, moss”), from Proto-West Germanic *mos (“marsh, moss”), from Proto-Germanic *musą (“marsh, moss”), from Proto-Indo-European *mews- (“moss”). Cognate with Saterland Frisian Moas (“moss”), West Frisia… The correct English form is moss, spelled M-O-S-S.

Definition

  1. 1
    Any of various small, green, seedless plants growing on the ground or on the surfaces of trees, stones, etc.; now specifically, a plant of the phylum Bryophyta (formerly division Musci).
  2. 2
    A kind or species of such plants.
  3. 3
    Any alga, lichen, bryophyte, or other plant of seemingly simple structure.
  4. 4
    A bog; a fen.
  5. 5
    A spectacular catch made over 1 or multiple defenders, typically a jump ball.

Recorded use

Wiktionary examples

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

  1. Spanish moss
  2. the mosses of the Scottish border

Etymology

From Middle English mos, from Old English mos (“bog, marsh, moss”), from Proto-West Germanic *mos (“marsh, moss”), from Proto-Germanic *musą (“marsh, moss”), from Proto-Indo-European *mews- (“moss”). Cognate with Saterland Frisian Moas (“moss”), West Frisian moas (“moss”), Dutch mos (“moss”), German Low German Moss (“moss”), German Moos (which shows the same polysemy of "moss" and "bog, fen"), Danish mos (“moss”), Swedish mossa (“moss”), Icelandic mosi (“moss”), Latin muscus (“moss”), Russian мох (mox, “moss”), Polish mech. Doublet of mousse.

This word in other languages

musgo(Español)mousse(Français)Moos(Deutsch)

Common misspellings

Also misspelled as:

  • mmoss
  • msos
  • omss

Misspelling Pattern Breakdown

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

mmoss1msos2omss2
Edit distance from "moss"

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 "moss"?
"moss" is spelled M-O-S-S. The IPA pronunciation is /mɒs/.
What does "moss" mean?
As a noun, "moss" means: Any of various small, green, seedless plants growing on the ground or on the surfaces of trees, stones, etc.; now specifically, a plant of the phylum Bryophyta (formerly division Musci).
What words are commonly confused with "moss"?
"moss" is commonly confused with "MS", "Mrs", "MPS". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "moss"?
The IPA (International Phonetic Alphabet) transcription for "moss" is /mɒs/. 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 "moss"?
From Middle English mos, from Old English mos (“bog, marsh, moss”), from Proto-West Germanic *mos (“marsh, moss”), from Proto-Germanic *musą (“marsh, moss”), from Proto-Indo-European *mews- (“moss”). Cognate with Saterland Frisian Moas (“moss”), W... 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 "moss", not the corpus desk frequency band.

Same letter count

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

Peru#8,466heir#8,432frog#8,426tens#8,493

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

Source: FrequencyWords open word-frequency list