bioterrorism
"bioterrorism" is a 12-letter English headword indexed on PlainSpell.
The verdict
“bioterrorism” is uncommon English (frequency #67,259 among 4,121 “B” headwords), classed as a noun. The kind of spelling people second-guess.
- #67,259
- frequency rank, English
- 4,121
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Terrorism that involves biological weapons or other biological agents.
Corpus desk
Index EN-bioterrorism · bioterrorism · English
bioterrorism · rank #67,259 · 0 variants · 0 confusables
- FREQ-RARE #67,259
- LEN-MEGA 12 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,121
- PHOTO-FINISH billable
Nearest frequency peer: billable (-2 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 “bioterrorism”
Sparse band: bars invert rank so rarer forms read shorter
- billable
billable
32,744 corpus weight
- bioterrorism
bioterrorism
32,742 corpus weight
- Birkbeck
Birkbeck
32,740 corpus weight
- bisected
bisected
32,738 corpus weight
- blab
blab
32,737 corpus weight
- blakey
blakey
32,736 corpus weight
What this shows Long-tail view: where “bioterrorism” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | bioterrorism |
| Language | English |
| Part of speech | Noun |
| Letters | 12 |
| Frequency rank | #67,259 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “bioterrorism” in English
Rare enough to double-check
bioterrorism is uncommon English at frequency #67,259 among 4,121 “B” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Terrorism that involves biological weapons or other biological agents.".
bioterrorism doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From bio- + terrorism. The correct English form is bioterrorism, spelled B-I-O-T-E-R-R-O-R-I-S-M.
Definition
- 1Terrorism that involves biological weapons or other biological agents.
Etymology
From bio- + terrorism.
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 "bioterrorism", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 12 letters (nearest by frequency rank).