mox

noun

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

The verdict

“mox” is uncommon English (frequency #66,111 among 36,575 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#66,111
frequency rank, English
36,575
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Energy, vigor, courage, pluck.

Corpus desk

Index EN-mox · mox · English

mox · rank #66,111 · 0 variants · 0 confusables

  • FREQ-RARE #66,111
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 36,575
  • PHOTO-FINISH mouthy

Nearest frequency peer: mouthy (-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 neighbourhood for “mox”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “mox” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of May 6, 2026
Key facts for mox
PropertyValue
Headwordmox
LanguageEnglish
Part of speechNoun
Letters3
Frequency rank#66,111
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “mox” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). mox lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

mox is uncommon English at frequency #66,111 among 36,575 “M” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for mox, which points to an orthography that plays by predictable English rules. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: Clipping of moxie. The correct English form is mox, spelled M-O-X.

Definition

  1. 1
    Energy, vigor, courage, pluck.
  2. 2
    A gemstone with magical properties.

Etymology

Clipping of moxie.

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "mox"?
"mox" is spelled M-O-X.
What does "mox" mean?
As a noun, "mox" means: Energy, vigor, courage, pluck.
What is the origin of the word "mox"?
Clipping of moxie. 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 "mox", not the corpus desk frequency band.

Same letter count

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

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list