biomass
/ˈbaɪə(ʊ)mæs/
"biomass" is a 7-letter English headword indexed on PlainSpell.
The verdict
“biomass” is a moderately-common English word, ranked #17,553 in English word frequency and used as a noun.
- #17,553
- frequency rank, English
- 7
- letters
- 8
- tracked misspellings
- 1
- confusable pair
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The total mass of a living thing or a part thereof (such as a cell).
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 | biomass |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈbaɪə(ʊ)mæs/ |
| Letters | 7 |
| Frequency rank | #17,553 |
| Misspellings tracked | 8 |
| Confusable pairs | 1 |
| Source | Wiktionary (kaikki.org) |
Where “biomass” sits in English frequency
Spelling & Dictionary Insight
The English entry for biomass is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈbaɪə(ʊ)mæs/. Corpus data places it at rank #17,553 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 biomass, with forms such as "bbiomass", "bimoass", and "bioamss". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "biogas", since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: From bio- (prefix denoting organic life) + mass (“matter, material”). The correct English form is biomass, spelled B-I-O-M-A-S-S.
Definition
- 1The total mass of a living thing or a part thereof (such as a cell).
- 2The total mass of all, or a specified category of, living things within a specific area, habitat, etc.
- 3Organic matter from living things which were recently alive (especially vegetation) used as a fuel or source of energy, especially if cultivated for that purpose; also, fuel produced from such organic matter; biofuel.
Etymology
From bio- (prefix denoting organic life) + mass (“matter, material”).
This word in other languages
Common misspellings
Also misspelled as: bbiomass,bimoass,bioamss,biomas,biommass,biomsas,boimass,ibomass
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of biomass - 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 “biomass”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is B-I-O-M-A-S-S - every other letter order is a misspelling in standard orthography.
- Say it as /ˈbaɪə(ʊ)mæs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “biogas” - see the side-by-side comparison. biomass vs biogas
- 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.