bioactive
"bioactive" is a 9-letter English headword indexed on PlainSpell.
The verdict
“bioactive” is uncommon English (frequency #61,315 among 4,121 “B” headwords), classed as an adjective. The kind of spelling people second-guess.
- #61,315
- frequency rank, English
- 4,121
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Biologically active; having a biological effect.
Corpus desk
Index EN-bioactive · bioactive · English
bioactive · rank #61,315 · 0 variants · 0 confusables
- FREQ-RARE #61,315
- LEN-LONG 9 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,121
- PHOTO-FINISH bindi
Nearest frequency peer: bindi (-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 “bioactive”
Sparse band: bars invert rank so rarer forms read shorter
- Billington
Billington
38,689 corpus weight
- binaural
binaural
38,688 corpus weight
- bindi
bindi
38,687 corpus weight
- bioactive
bioactive
38,686 corpus weight
- birdwatching
birdwatching
38,685 corpus weight
- blam
blam
38,684 corpus weight
What this shows Long-tail view: where “bioactive” sits against similarly uncommon English ranks.
| 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) |
Long-tail rank of “bioactive” in English
Rare enough to double-check
bioactive is uncommon English at frequency #61,315 among 4,121 “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.
Recorded use
Wiktionary exampleThese source excerpts show how bioactive appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Although some cephalopod inks have been studied chemically, there’s still a lot unknown about the bioactive function of ink when released in the wild.
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "bioactive", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).