pacu
noun
pacu is spelled P-A-C-U: 4 letters. It appears about once in every 11 million words in written English, the 100,430th most frequent word form (wordfreq, 2021 data). As a noun, pacu means “Any of certain freshwater fish of the family Serrasalmidae, endemic to South America; they are characterised by squarish, human-like teeth and a…” (English Wiktionary, September 2026). The plural of pacu is pacus.
How many letters and syllables are in pacu?
| Letters | 4: P-A-C-U |
|---|---|
| In writing | about once in every 11 million words; the 100,430th most frequent word form |
| Wrong spellings searched | none 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 pacu?
Pacu appears about once in every 11 million words in written English, the 100,430th 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 pacu
- pacus plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does pacu mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any of certain freshwater fish of the family Serrasalmidae, endemic to South America; they are characterised by squarish, human-like teeth and a mainly herbivorous diet.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Pacu in Spanish, French, German and Portuguese
In the sense any of several species of South American fishes:
| Language | Words |
|---|---|
| Portuguese | pacu |
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 pacu come from?
From Portuguese pacu, from Old Tupi paku.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).