heartworm
noun
heartworm is spelled H-E-A-R-T-W-O-R-M: 9 letters. It appears about once in every 9 million words in written English, the 87,317th most frequent word form (wordfreq, 2021 data). As a noun, heartworm means “A parasitic organism that afflicts dogs, of species Dirofilaria immitis of roundworms” (English Wiktionary, September 2026). The plural of heartworm is heartworms.
How many letters and syllables are in heartworm?
| Letters | 9: H-E-A-R-T-W-O-R-M |
|---|---|
| In writing | about once in every 9 million words; the 87,317th most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is heartworm?
Heartworm appears about once in every 9 million words in written English, the 87,317th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce heartworm?
- US
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-heartworm.ogg, Wikimedia Commons (author and licence on each file's page).
What rhymes with heartworm?
No other word on PlainSpell ends in the same sounds as heartworm.
Spelled with the same letters in another order: earthworm.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of heartworm
- heartworms plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does heartworm mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A parasitic organism that afflicts dogs, of species Dirofilaria immitis of roundworms.
- 2
(uncountable) The condition caused by this organism.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Heartworm in Spanish, French, German and Portuguese
In the sense parasitic organism:
| Language | Words |
|---|---|
| German | Herzwurm |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does heartworm come from?
From heart + worm.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).