fret vs sex

fret and sex both are nouns.

Word	Noun	Adjective	Verb	Adverb
fret	Yes	No	Yes	No
sex	Yes	No	Yes	No

fret (noun)	sex (noun)
a small bar of metal across the fingerboard of a musical instrument; when the string is stopped by a finger at the metal bar it will produce a note of the desired pitch	activities associated with sexual intercourse
an ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)	the properties that distinguish organisms on the basis of their reproductive roles
a spot that has been worn away by abrasion or erosion	all of the feelings resulting from the urge to gratify sexual impulses
agitation resulting from active worry	either of the two categories (male or female) into which most organisms are divided

fret (verb)	sex (verb)
wear away or erode	tell the sex (of young chickens)
remove soil or rock	to evoke sexual feelings
cause friction
be too tight; rub or press
decorate with an interlaced design
carve a pattern into
be agitated or irritated
cause annoyance in
gnaw into; make resentful or angry
worry unnecessarily or excessively
become or make sore by or as if by rubbing
provide (a musical instrument) with frets