backflow
noun, verb
backflow is spelled B-A-C-K-F-L-O-W: 8 letters. It appears about once in every 11 million words in written English, the 98,107th most frequent word form (wordfreq, 2021 data). As a noun, backflow means “The flow of a fluid (through a pipe etc.) in a direction opposite to that which is normal or intended” (English Wiktionary, September 2026). The plural of backflow is backflows.
How many letters and syllables are in backflow?
| Letters | 8: B-A-C-K-F-L-O-W |
|---|---|
| In writing | about once in every 11 million words; the 98,107th 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 backflow?
Backflow appears about once in every 11 million words in written English, the 98,107th 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).
What rhymes with backflow?
No other word on PlainSpell ends in the same sounds as backflow.
Spelled with the same letters in another order: flowback.
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 backflow
- backflows plural, present, singular, he/she/it
- backflowing participle, present
- backflowed participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does backflow mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The flow of a fluid (through a pipe etc.) in a direction opposite to that which is normal or intended.
verb
- 1
To flow in the wrong or backward direction.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does backflow come from?
From back + flow.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).