- fumeA gas or vapour/vapor that is strong-smelling or dangerous to inhale.
- femerellThe lantern, louvre, or covering placed in the ridge of a hall roof for the purpose of ventilation or letting out the smoke of the fire kindled on a central hearth.
- fumageHearth tax.
- fumarineAn alkaloid extracted from fumitory, now thought equivalent to protopine.
- fumetA type of concentrated food stock that is added to sauces to enhance their flavour. Variations are fish fumet and mushroom fumet.