arithmancy

noun

"arithmancy" is a 10-letter English headword indexed on PlainSpell.

The verdict

“arithmancy” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Divination using numbers that are the equivalent of letters of a name

Key facts for arithmancy
PropertyValue
Headwordarithmancy
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “arithmancy” sits in English frequency

arithmancy falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

arithmancy is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Divination using numbers that are the equivalent of letters of a name".

We couldn't generate a plausible misspelling set for arithmancy, which points to an orthography that plays by predictable English rules. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From Ancient Greek ἀριθμός (arithmós, “number”) + -mancy. The correct English form is arithmancy, spelled A-R-I-T-H-M-A-N-C-Y.

Definition

  1. 1
    Divination using numbers that are the equivalent of letters of a name

Etymology

From Ancient Greek ἀριθμός (arithmós, “number”) + -mancy.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "arithmancy"?
"arithmancy" is spelled A-R-I-T-H-M-A-N-C-Y.
What does "arithmancy" mean?
As a noun, "arithmancy" means: Divination using numbers that are the equivalent of letters of a name
What is the origin of the word "arithmancy"?
From Ancient Greek ἀριθμός (arithmós, “number”) + -mancy. 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.

Using “arithmancy”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is A-R-I-T-H-M-A-N-C-Y - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
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