mutable
/ˈmjuːtəbəl/
"mutable" is a 7-letter English headword indexed on PlainSpell.
The verdict
“mutable” is an uncommon English word, ranked #58,874 in English word frequency and used as an adjective.
- #58,874
- frequency rank, English
- 7
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Changeable, dynamic, evolutive; inclined to change, evolve, mutate.
| Property | Value |
|---|---|
| Headword | mutable |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˈmjuːtəbəl/ |
| Letters | 7 |
| Frequency rank | #58,874 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “mutable” sits in English frequency
Spelling & Dictionary Insight
The English entry for mutable is 7 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˈmjuːtəbəl/. Corpus data places it at rank #58,874 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.
mutable has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From Middle English mutable, from Old French mutable, from Latin mutabilis (“liable to change”). By surface analysis, muta- + -able. The correct English form is mutable, spelled M-U-T-A-B-L-E.
Definition
- 1Changeable, dynamic, evolutive; inclined to change, evolve, mutate.
- 2Having a value that is changeable during program execution.
- 3Being one of the signs Gemini, Virgo, Sagittarius and Pisces, associated with adaptability, flexibility and sympathy.
Etymology
From Middle English mutable, from Old French mutable, from Latin mutabilis (“liable to change”). By surface analysis, muta- + -able.
Antonyms
This word in other languages
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.
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Using “mutable”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is M-U-T-A-B-L-E - every other letter order is a misspelling in standard orthography.
- Say it as /ˈmjuːtəbəl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.