mutational
"mutational" is a 10-letter English headword indexed on PlainSpell.
The verdict
“mutational” is uncommon English (frequency #84,542 among 36,575 “M” headwords), classed as an adjective. The kind of spelling people second-guess.
- #84,542
- frequency rank, English
- 36,575
- “M” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Of, pertaining to, or the result of mutation
Corpus desk
Index EN-mutational · mutational · English
mutational · rank #84,542 · 0 variants · 0 confusables
- FREQ-RARE #84,542
- LEN-MEGA 10 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 36,575
- PHOTO-FINISH mushrooming
Nearest frequency peer: mushrooming (-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.
Frequency neighbourhood for “mutational”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- multifarious
multifarious
15,463 corpus weight
- multiphase
multiphase
15,462 corpus weight
- munshi
munshi
15,461 corpus weight
- mushrooming
mushrooming
15,460 corpus weight
- mutational
mutational
15,459 corpus weight
- napper
napper
15,455 corpus weight
What this shows Bars show where “mutational” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | mutational |
| Language | English |
| Part of speech | Adjective |
| Letters | 10 |
| Frequency rank | #84,542 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “mutational” sits in English frequency
Rare enough to double-check
mutational is uncommon English at frequency #84,542 among 36,575 “M” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Of, pertaining to, or the result of mutation".
No generated misspelling entries exist for mutational in our index, suggesting the orthography follows predictable English patterns. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From mutation + -al. The correct English form is mutational, spelled M-U-T-A-T-I-O-N-A-L.
Definition
- 1Of, pertaining to, or the result of mutation
Etymology
From mutation + -al.
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.
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "mutational", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).
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.