suck vs sex

suck and sex both are nouns.

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

suck (noun)	sex (noun)
the act of sucking	activities associated with sexual intercourse
	the properties that distinguish organisms on the basis of their reproductive roles
	all of the feelings resulting from the urge to gratify sexual impulses
	either of the two categories (male or female) into which most organisms are divided

suck (verb)	sex (verb)
give suck to	tell the sex (of young chickens)
draw into the mouth by creating a practical vacuum in the mouth	to evoke sexual feelings
take in, also metaphorically
draw something in by or as if by a vacuum
provide sexual gratification through oral stimulation
be inadequate or objectionable
attract by using an inexorable force, inducement, etc.