infrequency
"infrequency" is a 11-letter English headword indexed on PlainSpell.
The verdict
“infrequency” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The characteristic of being infrequent.
| 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
Spelling & Dictionary Insight
The English entry for infrequency is 11 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
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.
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.
Frequently Asked Questions
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Using “infrequency”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N-F-R-E-Q-U-E-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.