fi
Portuguese, noun/ˈfi/
fi is spelled F-I (2 letters) and appears 19 times per million words in written Portuguese, the 4,381st most frequent Portuguese word form (wordfreq, 2021 data). Fi is a Portuguese masculine noun meaning “phi (name of the Greek letter Φ)” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “Φ (minúscula: φ); a vigésima primeira letra do alfabeto grego; no sistema numérico grego vale 500; era…”.
What does fi mean in English?
noun
- 1
masculinephi (name of the Greek letter Φ)
noun
- 1
masculinepronunciation spelling of filho
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
noun: 1. Φ (minúscula: φ); a vigésima primeira letra do alfabeto grego; no sistema numérico grego vale 500; era pronunciado como um "f" bilabial e transcrito geralmente como "ph"
The definition in the Portuguese Wiktionary (Wikcionário), in Portuguese.
Source: Portuguese Wiktionary (Wikcionário), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of fi
- fis plural
- phi alternative
Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce fi?
- Brazil /ˈfi/
- Portugal /ˈfi/
Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to fi
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is fi in Portuguese?
fi appears 19 times per million words in written Portuguese.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).