smut vs sex

smut and sex both are nouns.

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

smut (noun)	sex (noun)
creative activity (writing or pictures or films etc.) of no literary or artistic value other than to stimulate sexual desire	activities associated with sexual intercourse
an offensive or indecent word or phrase	the properties that distinguish organisms on the basis of their reproductive roles
any fungus of the order Ustilaginales	all of the feelings resulting from the urge to gratify sexual impulses
destructive diseases of plants (especially cereal grasses) caused by fungi that produce black powdery masses of spores	either of the two categories (male or female) into which most organisms are divided
a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink

smut (verb)	sex (verb)
affect with smut or mildew, as of a crop such as corn	tell the sex (of young chickens)
stain with a dirty substance, such as soot	to evoke sexual feelings
become affected with smut
make obscene