alphanumeric

/ˌæl.fə.n(j)uːˈmɛ.ɹɪk/

//ˌæl.fə.n(j)uːˈmɛ.ɹɪk// adj

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

"alphanumeric" is a 12-letter English headword indexed on PlainSpell.

The verdict

“alphanumeric” is uncommon English (frequency #55,229 among 3,931 “A” headwords), classed as an adjective. The kind of spelling people second-guess.

#55,229
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Consisting of, or limited to, letters and/or numbers, especially the characters A to Z (lowercase and uppercase) and 0 to 9.

Corpus desk

Index EN-alphanumeric · alphanumeric · English

alphanumeric · rank #55,229 · 0 variants · 0 confusables

  • FREQ-RARE #55,229
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH alleluia

Nearest frequency peer: alleluia (-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.

Long-tail ranks near “alphanumeric”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “alphanumeric” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for alphanumeric
PropertyValue
Headwordalphanumeric
LanguageEnglish
Part of speechAdjective
IPA/ˌæl.fə.n(j)uːˈmɛ.ɹɪk/
Letters12
Frequency rank#55,229
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “alphanumeric” in English

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).alphanumericfalls in this rarity band:

#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. Rare peers in the same band: “alleluia” (#55,228), “amas” (#55,230), “Ammon” (#55,232). Among 3,931 “A” headwords, “alphanumeric” is #55,229. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

alphanumeric is uncommon English at frequency #55,229 among 3,931 “A” headwords, classed as anadjective, transcribed /ˌæl.fə.n(j)uːˈmɛ.ɹɪk/. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for alphanumeric in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From alpha- + numeric. The correct English form is alphanumeric, spelled A-L-P-H-A-N-U-M-E-R-I-C.

Definition

  1. 1
    Consisting of, or limited to, letters and/or numbers, especially the characters A to Z (lowercase and uppercase) and 0 to 9.
  2. 2
    Consisting of these characters plus punctuation and other special characters.

Recorded use

Wiktionary example

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

  1. Therefore, we need a special code to represent all alphanumeric data (letters, symbols, and numbers).

Etymology

From alpha- + numeric.

This word in other languages

alfanumérico(Español)alphanumérique(Français)alphanumerisch(Deutsch)alfanumérico(Português)

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 "alphanumeric"?
"alphanumeric" is spelled A-L-P-H-A-N-U-M-E-R-I-C. The IPA pronunciation is /ˌæl.fə.n(j)uːˈmɛ.ɹɪk/.
What does "alphanumeric" mean?
As an adjective, "alphanumeric" means: Consisting of, or limited to, letters and/or numbers, especially the characters A to Z (lowercase and uppercase) and 0 to 9.
How do you pronounce "alphanumeric"?
The IPA (International Phonetic Alphabet) transcription for "alphanumeric" is /ˌæl.fə.n(j)uːˈmɛ.ɹɪk/. 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 "alphanumeric"?
From alpha- + numeric. 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 "alphanumeric", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 12 letters (nearest by frequency rank).

analytically#55,236Appalachians#55,241bloodstained#55,286bullfighting#55,299

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

Source: FrequencyWords open word-frequency list