idiocy
/ˈɪdiəsi/
"idiocy" is a 6-letter English headword indexed on PlainSpell.
The verdict
“idiocy” is a moderately-common English word, ranked #32,037 in English word frequency and used as a noun.
- #32,037
- frequency rank, English
- 6
- letters
- 8
- tracked misspellings
- 3
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The state or condition of being an idiot; the quality of having an intelligence level far below average.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | idiocy |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈɪdiəsi/ |
| Letters | 6 |
| Frequency rank | #32,037 |
| Misspellings tracked | 8 |
| Confusable pairs | 3 |
| Source | Wiktionary (kaikki.org) |
Where “idiocy” sits in English frequency
Spelling & Dictionary Insight
The English entry for idiocy is 6 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈɪdiəsi/. Corpus data places it at rank #32,037 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 8 likely wrong-spelling variants for idiocy, with forms such as "diiocy", "iddiocy", and "idicoy". 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. It also participates in 3 confusable-pair relationships, "idiot", "idiom", "idiots", since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: From French idiotie, from Old French idiot. Displaced earlier idiotacy, idiotry. Equivalent to idiot + -cy. By surface analysis, idio- + -cy. The correct English form is idiocy, spelled I-D-I-O-C-Y.
Definition
- 1The state or condition of being an idiot; the quality of having an intelligence level far below average.
- 2Lack of intelligence or sense; extremely foolish behaviour.
- 3An idiotic act or utterance.
Etymology
From French idiotie, from Old French idiot. Displaced earlier idiotacy, idiotry. Equivalent to idiot + -cy. By surface analysis, idio- + -cy.
This word in other languages
Common misspellings
Also misspelled as: diiocy,iddiocy,idicoy,idioccy,idiocyy,idioyc,idoicy,iidocy
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of idiocy - 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.
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
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Using “idiocy”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-D-I-O-C-Y - every other letter order is a misspelling in standard orthography.
- Say it as /ˈɪdiəsi/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “idiot” - see the side-by-side comparison. idiocy vs idiot
- 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.