mutagen
/ˈmjuːtəd͡ʒn̩/
"mutagen" is a 7-letter English headword indexed on PlainSpell.
The verdict
“mutagen” is uncommon English (frequency #71,721 among 4,057 “M” headwords), classed as a noun. The kind of spelling people second-guess.
- #71,721
- frequency rank, English
- 4,057
- “M” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any agent or substance that can cause genetic mutation.
Corpus desk
Index EN-mutagen · mutagen · English
mutagen · rank #71,721 · 0 variants · 0 confusables
- FREQ-RARE #71,721
- LEN-LONG 7 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,057
- PHOTO-FINISH musicology
Nearest frequency peer: musicology (-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.
Long-tail ranks near “mutagen”
Sparse band: bars invert rank so rarer forms read shorter
- Mostyn
Mostyn
28,286 corpus weight
- muesli
muesli
28,283 corpus weight
- musicology
musicology
28,281 corpus weight
- mutagen
mutagen
28,280 corpus weight
- Nagata
Nagata
28,278 corpus weight
- Nando's
Nando's
28,277 corpus weight
What this shows Long-tail view: where “mutagen” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | mutagen |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈmjuːtəd͡ʒn̩/ |
| Letters | 7 |
| Frequency rank | #71,721 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “mutagen” in English
Rare enough to double-check
mutagen is uncommon English at frequency #71,721 among 4,057 “M” headwords, classed as anoun, transcribed /ˈmjuːtəd͡ʒn̩/. Rarity is why readers land here mid-draft. Gloss: "Any agent or substance that can cause genetic mutation.".
mutagen doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From muta- + -gen. The correct English form is mutagen, spelled M-U-T-A-G-E-N.
Definition
- 1Any agent or substance that can cause genetic mutation.
Etymology
From muta- + -gen.
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.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "mutagen", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 7 letters (nearest by frequency rank).