The initial idioms of the letter F

Fools rush in	fools rush in where angels fear to tread
foot	foot in both camps
foot in both camps, have a	foot in one's mouth, put one's
foot in the door	foot in the door, get one's
foot it	foot the bill
foot up	football
Football's a game of two halves.	footed
foothold	foot-in-mouth disease
footloose	footloose and fancy free
footloose and fancy-free	footsie
footstep	footwork
foozle	foozlified
fop	for
for (one's) (own) sake	for (one's) life
for (one's) money	for (one's) pains