ivermectin

/ˌʌɪ.vəˈmɛk.tɪn/

//ˌʌɪ.vəˈmɛk.tɪn// noun

By · According to Wiktionary data (CC BY-SA) ·

"ivermectin" is a 10-letter English headword indexed on PlainSpell.

The verdict

“ivermectin” is uncommon English (frequency #86,396 among 17,902 “I” headwords), classed as a noun. The kind of spelling people second-guess.

#86,396
frequency rank, English
17,902
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A compound of the avermectin group, used as an anthelmintic in veterinary medicine and as a treatment for river blindness.

Key facts for ivermectin
PropertyValue
Headwordivermectin
LanguageEnglish
Part of speechNoun
IPA/ˌʌɪ.vəˈmɛk.tɪn/
Letters10
Frequency rank#86,396
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “ivermectin” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). ivermectin lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ivermectin is uncommon English at frequency #86,396 among 17,902 “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

  1. 1
    A compound of the avermectin group, used as an anthelmintic in veterinary medicine and as a treatment for river blindness.

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

How do you spell "ivermectin"?
"ivermectin" is spelled I-V-E-R-M-E-C-T-I-N. The IPA pronunciation is /ˌʌɪ.vəˈmɛk.tɪn/.
What does "ivermectin" mean?
As a noun, "ivermectin" means: A compound of the avermectin group, used as an anthelmintic in veterinary medicine and as a treatment for river blindness.
How do you pronounce "ivermectin"?
The IPA (International Phonetic Alphabet) transcription for "ivermectin" is /ˌʌɪ.vəˈmɛk.tɪn/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "ivermectin"?
From di- + avermectin. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “ivermectin”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is I-V-E-R-M-E-C-T-I-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌʌɪ.vəˈmɛk.tɪn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • 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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list