hydrogen
"Pressure" is an 8-letter word related to force that starts with the letter "f."
The 8-letter "f" word in science that means force is "friction."
abrogate
incubateimmolateirritateinsulateintimateinscribe
Birthday.
Feathers
exubaran
The word sabotage is a eight letter word.
'massacre' maybe.
rutabaga
Mosquito.
envelope