MoS

noun

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

"mos" is a 3-letter English headword indexed on PlainSpell.

The verdict

“MoS” sits in 20 confusable pairs (corpus #16,536) as a noun. The look-alike neighbours are the real trap.

#16,536
frequency rank, English
4,057
“M” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Alternative letter-case form of MOS (“manual of style”).

Corpus desk

Index EN-mos · MoS · English

MoS · rank #16,536 · 0 variants · 20 confusables

  • FREQ-MID #16,536
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH moaning

Nearest frequency peer: moaning (-2 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 “MoS”

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

corpus weight

What this shows Bars place “MoS” 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).

MoS vs my
0% similar
MoS vs Mr
33% similar
MoS vs MS
67% similar

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

Key facts for MoS
PropertyValue
HeadwordMoS
LanguageEnglish
Part of speechNoun
Letters3
Frequency rank#16,536
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “MoS”

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).MoSlands 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 “moaning” (#16,534), “mourn” (#16,538), “miraculous” (#16,533). Among 4,057 “M” headwords, “MoS” is #16,536. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for MoS is neighbouring look-alikes ("my", "Mr", …), not just typos; it is anoun. Frequency #16,536 among 4,057 “M” headwords. Gloss: "Alternative letter-case form of MOS (“manual of style”).".

Our edit-distance generator produced no likely misspellings for MoS, a sign its spelling follows regular English conventions. It also participates in 20 confusable-pair relationships, "my", "Mr", "MS", and more, where similar look or sound leads writers to substitute one word for another in context.

This entry carries no recorded etymology, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is MoS, spelled M-O-S.

Definition

  1. 1
    Alternative letter-case form of MOS (“manual of style”).

Recorded use

Wiktionary examples

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

  1. I just thought others on this list might be as happy as I am to learn that as of September, the Chicago Manual of Style is going to be available online for a subscription fee of $25 introductory price, $30 regular fee.
  2. The Manual of Style: A Guide for Authors and Editors (MoS), for example, outlines several requirements that journals could implement to prevent bias and COI from undermining the credibility of reports containing original data (Fontanarosa et al., 2011; MoS, 2007). […] For example, the MoS states that if there is an error in a published paper that can be p…

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 "MoS"?
"MoS" is spelled M-O-S.
What does "MoS" mean?
As a noun, "MoS" means: Alternative letter-case form of MOS (“manual of style”).
What words are commonly confused with "MoS"?
"MoS" is commonly confused with "my", "Mr", "MS". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "MoS" come from?
"MoS" is a English 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 English words by spelling shape

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

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

nay#16,541NGO#16,543Len#16,512pol#16,561

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

Source: FrequencyWords open word-frequency list