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knotgrass

noun

knotgrass is spelled K-N-O-T-G-R-A-S-S: 9 letters. It appears about once in every 95 million words in written English, the 313,259th most frequent word form (wordfreq, 2021 data). As a noun, knotgrass means “An annual plant, Polygonum aviculare, found in fields and wasteland” (English Wiktionary, September 2026). The plural of knotgrass is knotgrasses.

How many letters and syllables are in knotgrass?

Letters9: K-N-O-T-G-R-A-S-S
In writingabout once in every 95 million words; the 313,259th most frequent word form
Wrong spellings searchednone measured in search

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).

How common is knotgrass?

Knotgrass appears about once in every 95 million words in written English, the 313,259th 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).

Forms of knotgrass

  • knotgrasses plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does knotgrass mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    An annual plant, Polygonum aviculare, found in fields and wasteland

  2. 2

    Paspalum distichum, a weedy perennial grass of wet areas

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Knotgrass in Spanish, French, German and Portuguese

In the sense annual plant:

LanguageWords
GermanVogelknöterich
Spanishpolígono, palero, correquetepillo

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 knotgrass come from?

From knot + grass.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after knotgrass