No word contains only the letters f t and h.
A word that contains all 3 in that order is faith.
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
F-i-f-t-e-e-n-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
LAURENT NEUTRAL RENAULT UNALERT
f i f t h