biosafety
/baɪ.ɑˈseɪf.tiː/
"biosafety" is a 9-letter English headword indexed on PlainSpell.
The verdict
“biosafety” is uncommon English (frequency #77,460 among 4,121 “B” headwords), classed as a noun. The kind of spelling people second-guess.
- #77,460
- frequency rank, English
- 4,121
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Protection from potential harm from biological agents, such as infectious microbes or modified genes.
Corpus desk
Index EN-biosafety · biosafety · English
biosafety · rank #77,460 · 0 variants · 0 confusables
- FREQ-RARE #77,460
- LEN-LONG 9 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,121
- PHOTO-FINISH blackthorn
Nearest frequency peer: blackthorn (+3 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 “biosafety”
Sparse band: bars invert rank so rarer forms read shorter
- Bethan
Bethan
22,547 corpus weight
- Biafran
Biafran
22,545 corpus weight
- biosafety
biosafety
22,541 corpus weight
- blackthorn
blackthorn
22,538 corpus weight
- blanketing
blanketing
22,537 corpus weight
- blotchy
blotchy
22,536 corpus weight
What this shows Long-tail view: where “biosafety” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | biosafety |
| Language | English |
| Part of speech | Noun |
| IPA | /baɪ.ɑˈseɪf.tiː/ |
| Letters | 9 |
| Frequency rank | #77,460 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “biosafety” in English
Rare enough to double-check
biosafety is uncommon English at frequency #77,460 among 4,121 “B” headwords, classed as anoun, transcribed /baɪ.ɑˈseɪf.tiː/. Rarity is why readers land here mid-draft. Gloss: "Protection from potential harm from biological agents, such as infectious microbes or modified genes.".
biosafety doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From bio- + safety. The correct English form is biosafety, spelled B-I-O-S-A-F-E-T-Y.
Definition
- 1Protection from potential harm from biological agents, such as infectious microbes or modified genes.
Recorded use
Wiktionary exampleThese source excerpts show how biosafety appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
“This action aims to ensure that WIV does not receive another dollar of federal funding,” an HHS spokesperson said in a statement. “The move was undertaken due to WIV’s failure to provide documentation on WIV’s research requested by NIH related to concerns that WIV violated NIH’s biosafety protocols.”
Etymology
From bio- + safety.
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 "biosafety", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).