finish
Fin
In English, it is the "F" Word with an 'ed' at the end.
Foresaw is a word. It begins with f and ends with aw.
No it is not. In fact, no Hebrew word can begin with F or end with ing.
Wolf
finishes
finality
Some plural words that end in "f" include wolves, dwarves, and cliffs.
Feathers is a eight letter word that starts with f and ends in s.
sōf ha-yōm (סוף היום)
It is considered as a swear word, so yes it is a swear word. Just the letter "F" in itself is not a swear word ... however, the implication that is generally understood by anyone on the receiving end of the phrase "F you" is the same as using the four letter word. Just say "you're crazy, man!" instead.