bioactive
"bioactive" is a 9-letter English headword indexed on PlainSpell.
The verdict
“bioactive” is uncommon English (frequency #61,315 among 31,241 “B” headwords), classed as an adjective. The kind of spelling people second-guess.
- #61,315
- frequency rank, English
- 31,241
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Biologically active; having a biological effect.
| Property | Value |
|---|---|
| Headword | bioactive |
| Language | English |
| Part of speech | Adjective |
| Letters | 9 |
| Frequency rank | #61,315 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “bioactive” sits in English frequency
Rare enough to double-check
bioactive is uncommon English at frequency #61,315 among 31,241 “B” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.
bioactive doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From bio- + active. The correct English form is bioactive, spelled B-I-O-A-C-T-I-V-E.
Definition
- 1Biologically active; having a biological effect.
- 2Describing a terrarium, vivarium, etc. that is self-sustaining and mimics a natural habitat.
Etymology
From bio- + active.
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 “bioactive”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is B-I-O-A-C-T-I-V-E - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this 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.