shelf
A nine letter word using those letters is foresight.
The letters can be used to spell the 6 letter word methyl. They also spell the 5 letter words ethyl, hefty, lefty and thyme.
CLOTHES
20 fingers and toes on the human body
shelf
The word "thief" can be made from the letters L, F, T, Y, H, and I.
F-i-f-t-e-e-n-t-h.
Sure! It is spelled as "f-i-f-t-i-e-t-h f-i-f-t-h".
Though
The word "25th" is spelled as "t-w-e-n-t-y-f-i-f-t-h".
Heat of fusion
health and safety
hitch ethic
Ni**er-J*w, F**k you, Son of a B***h, C**t, F*g, or F**king S**t Face
f i f t h
folded toddle