fixtures
finishes
fanciful
function, flowered, floating
Falluja -as in Falluja, Iraq
Finish is another word for completion starting with the letter F.
The opposite for the word plain starting with letter f is FANCY.
One word for being late starting with the letter F is forgot.
Feminist and finalist are 8 letter words. They end with the letters IST.
"Pressure" is an 8-letter word related to force that starts with the letter "f."
forethoughtfulness
The 8-letter "f" word in science that means force is "friction."
hefty