infrequency
"infrequency" is a 11-letter English headword indexed on PlainSpell.
The verdict
“infrequency” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The characteristic of being infrequent.
Corpus desk
Index EN-infrequency · infrequency · English
infrequency · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 11 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "I" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | infrequency |
| Language | English |
| Part of speech | Noun |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “infrequency” sits in English frequency
Rare enough to double-check
infrequency is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
infrequency doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From Latin infrequentia (“scantiness”), equivalent to in- + frequency or infrequent + -cy. The correct English form is infrequency, spelled I-N-F-R-E-Q-U-E-N-C-Y.
Definition
- 1The characteristic of being infrequent.
- 2The state of being unfrequented; isolation; seclusion.
Recorded use
Wiktionary examplesThese source excerpts show how infrequency appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
the infrequency of her visits
Because of the infrequency of the services, signals are not considered necessary, but stations are linked by telephone.
Etymology
From Latin infrequentia (“scantiness”), equivalent to in- + frequency or infrequent + -cy.
Synonyms
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.
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
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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.