mutualism
/ˈmjuː.tʃʊ.əˌlɪz.m̩/
"mutualism" is a 9-letter English headword indexed on PlainSpell.
The verdict
“mutualism” is uncommon English (frequency #90,750 among 4,057 “M” headwords), classed as a noun. The kind of spelling people second-guess.
- #90,750
- frequency rank, English
- 4,057
- “M” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any interaction between two species that benefits both; typically involves the exchange of substances or services.
Corpus desk
Index EN-mutualism · mutualism · English
mutualism · rank #90,750 · 0 variants · 0 confusables
- FREQ-RARE #90,750
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,057
- PHOTO-FINISH multimode
Nearest frequency peer: multimode (-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 “mutualism”
Sparse band: bars invert rank so rarer forms read shorter
- monadnock
monadnock
9,259 corpus weight
- monohydrate
monohydrate
9,258 corpus weight
- monophospha…
monophosphate
9,257 corpus weight
- multimode
multimode
9,252 corpus weight
- mutualism
mutualism
9,251 corpus weight
- myocarditis
myocarditis
9,250 corpus weight
What this shows Long-tail view: where “mutualism” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | mutualism |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈmjuː.tʃʊ.əˌlɪz.m̩/ |
| Letters | 9 |
| Frequency rank | #90,750 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “mutualism” in English
Rare enough to double-check
mutualism is uncommon English at frequency #90,750 among 4,057 “M” headwords, classed as anoun, transcribed /ˈmjuː.tʃʊ.əˌlɪz.m̩/. Rarity is why readers land here mid-draft. 2 senses are on record.
mutualism doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From mutual + -ism. Compare French mutualisme and Italian, Portuguese, and Spanish mutualismo. The correct English form is mutualism, spelled M-U-T-U-A-L-I-S-M.
Definition
- 1Any interaction between two species that benefits both; typically involves the exchange of substances or services.
- 2An economic theory and anarchist school of thought that advocates a society where each person might possess a means of production, either individually or collectively, with trade representing equivalent amounts of labor in the free market.
Etymology
From mutual + -ism. Compare French mutualisme and Italian, Portuguese, and Spanish mutualismo.
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 "mutualism", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).