ivermectin
/ˌʌɪ.vəˈmɛk.tɪn/
"ivermectin" is a 10-letter English headword indexed on PlainSpell.
The verdict
“ivermectin” is uncommon English (frequency #86,396 among 2,140 “I” headwords), classed as a noun. The kind of spelling people second-guess.
- #86,396
- frequency rank, English
- 2,140
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A compound of the avermectin group, used as an anthelmintic in veterinary medicine and as a treatment for river blindness.
Corpus desk
Index EN-ivermectin · ivermectin · English
ivermectin · rank #86,396 · 0 variants · 0 confusables
- FREQ-RARE #86,396
- LEN-MEGA 10 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,140
- PHOTO-FINISH iterator
Nearest frequency peer: iterator (-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 “ivermectin”
Sparse band: bars invert rank so rarer forms read shorter
- iterator
iterator
13,607 corpus weight
- ivermectin
ivermectin
13,605 corpus weight
- Jambo
Jambo
13,603 corpus weight
- jawbreaker
jawbreaker
13,602 corpus weight
- Jaworski
Jaworski
13,601 corpus weight
- Jeannine
Jeannine
13,599 corpus weight
What this shows Long-tail view: where “ivermectin” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | ivermectin |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌʌɪ.vəˈmɛk.tɪn/ |
| Letters | 10 |
| Frequency rank | #86,396 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “ivermectin” in English
Rare enough to double-check
ivermectin is uncommon English at frequency #86,396 among 2,140 “I” headwords, classed as anoun, transcribed /ˌʌɪ.vəˈmɛk.tɪn/. Rarity is why readers land here mid-draft. Gloss: "A compound of the avermectin group, used as an anthelmintic in veterinary medicine and as a treatment for river blindness.".
We couldn't generate a plausible misspelling set for ivermectin, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From di- + avermectin. The correct English form is ivermectin, spelled I-V-E-R-M-E-C-T-I-N.
Definition
- 1A compound of the avermectin group, used as an anthelmintic in veterinary medicine and as a treatment for river blindness.
Recorded use
Wiktionary examplesThese source excerpts show how ivermectin appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Dr. Yu has refused the ivermectin requests, he said, but he knows some of his colleagues have not.
Perhaps the most egregious example of shifting the standards of evidence comes when the report discusses the off-label use of drugs such as chloroquine and ivermectin.
Etymology
From di- + avermectin.
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 "ivermectin", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).