arithmetic

/əˈɹɪθmətɪk/

//əˈɹɪθmətɪk// noun

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

The verdict

“arithmetic” has 15 generated spelling variants in the English index at frequency #17,075. The variants make it a useful spelling check.

#17,075
frequency rank, English
3,931
“A” headwords
15
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The mathematics of numbers (integers, rational numbers, real numbers, or complex numbers) under the operations of addition, subtraction, multiplication, and division.

Corpus desk

Index EN-arithmetic · arithmetic · English

arithmetic · rank #17,075 · 15 variants · 0 confusables

  • FREQ-MID #17,075
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 15 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH arson

Nearest frequency peer: arson (+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 “arithmetic”

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

corpus weight

What this shows “arithmetic” 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 arithmetic
PropertyValue
Headwordarithmetic
LanguageEnglish
Part of speechNoun
IPA/əˈɹɪθmətɪk/
Letters10
Frequency rank#17,075
Misspellings tracked15
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “arithmetic”

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).arithmeticlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “arson” (#17,076), “Anders” (#17,073), “amir” (#17,072). Among 3,931 “A” headwords, “arithmetic” is #17,075. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around arithmetic (IPA /əˈɹɪθmətɪk/), anoun. Corpus frequency is #17,075 among 3,931 “A” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 15 likely wrong-spelling variants for arithmetic, with forms such as "airthmetic", "arihtmetic", and "arithemtic". 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. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: Etymology tree Proto-Indo-European *h₂er- Proto-Indo-European *-éh₁ti Proto-Indo-European *h₂reh₁- Proto-Indo-European *-éyti Proto-Indo-European *h₂rey-der. Ancient Greek ᾰ̓ρῐθμός (ărĭthmós) Proto-Indo-European *-eti Proto-Indo-European *-eyéti Proto-Indo-… The correct English form is arithmetic, spelled A-R-I-T-H-M-E-T-I-C.

Definition

  1. 1
    The mathematics of numbers (integers, rational numbers, real numbers, or complex numbers) under the operations of addition, subtraction, multiplication, and division.
  2. 2
    Number theory

Recorded use

Wiktionary examples

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

  1. Note that all correctly rounding arithmetics satisfy property A1, as do those with properly truncating addition. All faithful binary arithmetics and all arithmetics with either properly truncating or correctly chopping addition satisfy property A2.
  2. [The researchers] noticed many of their pieces of [plastic marine] debris sported surface pits around two microns across.[…]Closer examination showed that some of these pits did, indeed, contain bacteria, and that in several cases these bacteria were dividing and thus, by the perverse arithmetic of biological terminology, multiplying.

Etymology

Etymology tree Proto-Indo-European *h₂er- Proto-Indo-European *-éh₁ti Proto-Indo-European *h₂reh₁- Proto-Indo-European *-éyti Proto-Indo-European *h₂rey-der. Ancient Greek ᾰ̓ρῐθμός (ărĭthmós) Proto-Indo-European *-eti Proto-Indo-European *-eyéti Proto-Indo-European *-esyéti Proto-Indo-European *-éh₁ti Proto-Indo-European *-yeti Proto-Indo-European *-éh₁yeti Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Ancient Greek -έω (-éō) Ancient Greek ἀριθμέω (arithméō) Proto-Indo-European *-tis Ancient Greek -τις (-tis) Ancient Greek -σις (-sis) Proto-Indo-European *-kos Ancient Greek -κός (-kós) ? Proto-Indo-European *-tós Ancient Greek -τος (-tos) ▲ Ancient Greek -κός (-kós) ? Ancient Greek -τικός (-tikós) Ancient Greek ἀριθμητῐκός (arithmētĭkós) Ancient Greek ἀριθμητῐκή (arithmētĭkḗ)bor. Latin arithmēticabor. ▲ Ancient Greek ἀριθμητῐκός (arithmētĭkós)bor. Latin arithmēticusbor. Old French arismetiquebor. Middle English arsmetike English arithmetic From Middle English arsmetike, from Old French arismetique, from Latin arithmētica, from Ancient Greek ἀριθμητική (τέχνη) (arithmētikḗ (tékhnē), “(art of) counting”), feminine of ἀριθμητικός (arithmētikós, “arithmetical”), from ἀριθμός (arithmós, “number, counting”), from Proto-Indo-European *h₂ri-dʰh₁-mó-s, form of *h₂rey- (“to count, reason”). Used in English since 13th century.

This word in other languages

Common misspellings

Also misspelled as:

  • airthmetic
  • arihtmetic
  • arithemtic
  • arithhmetic
  • arithmeitc
  • arithmetci
  • arithmeticc
  • arithmettic
  • arithmmetic
  • arithmteic
  • aritmhetic
  • aritthmetic
  • arrithmetic
  • artihmetic
  • raithmetic

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of arithmetic - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

airthmetic2arihtmetic2arithemtic2arithhmetic1arithmeitc2arithmetci2arithmeticc1arithmettic1
Edit distance from "arithmetic"

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 "arithmetic"?
"arithmetic" is spelled A-R-I-T-H-M-E-T-I-C. The IPA pronunciation is /əˈɹɪθmətɪk/.
What does "arithmetic" mean?
As a noun, "arithmetic" means: The mathematics of numbers (integers, rational numbers, real numbers, or complex numbers) under the operations of addition, subtraction, multiplication, and division.
What are common misspellings of "arithmetic"?
Common misspellings include "airthmetic", "arihtmetic", "arithemtic", "arithhmetic", "arithmeitc". The correct spelling is "arithmetic".
How do you pronounce "arithmetic"?
The IPA (International Phonetic Alphabet) transcription for "arithmetic" is /əˈɹɪθmətɪk/. 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 "arithmetic"?
Etymology tree Proto-Indo-European *h₂er- Proto-Indo-European *-éh₁ti Proto-Indo-European *h₂reh₁- Proto-Indo-European *-éyti Proto-Indo-European *h₂rey-der. Ancient Greek ᾰ̓ρῐθμός (ărĭthmós) Proto-Indo-European *-eti Proto-Indo-European *-eyéti P... 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 "arithmetic", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list