planarian
/pləˈnɛ.ɹi.ən/noun
planarian is spelled P-L-A-N-A-R-I-A-N: 9 letters and 4 syllables. It appears about once in every 30 million words in written English, the 167,786th most frequent word form (wordfreq, 2021 data). As a noun, planarian means “Any of various flatworms of the order Tricladida living in marine, freshwater, or terrestrial environments” (English Wiktionary, September 2026). The plural of planarian is planarians.
How many letters and syllables are in planarian?
| Letters | 9: P-L-A-N-A-R-I-A-N |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | about once in every 30 million words; the 167,786th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; 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 planarian?
Planarian appears about once in every 30 million words in written English, the 167,786th 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 planarian?
- UK /pləˈnɛə.ɹi.ən/
- US /pləˈnɛ.ɹi.ən/
Planarian has 4 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What rhymes with planarian?
The 12 most written words on PlainSpell end in the same sounds as planarian from its last stressed vowel (/ɛɹiən/):
- humanitarian
- Bulgarian
- vegetarian
- authoritarian
- ovarian
- sectarian
- totalitarian
- veterinarian
- bavarian
- egalitarian
- unitarian
- antiquarian
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 planarian
- planarians plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does planarian mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any of various flatworms of the order Tricladida living in marine, freshwater, or terrestrial environments.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Planarian in Spanish, French, German and Portuguese
In the sense flatworm:
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 planarian come from?
From translingual Planaria (genus) (from Late Latin plānārius (“lying on a plane”), from Latin plānum) + -an.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).