siren vs sex

siren and sex both are nouns.

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

siren (noun)	sex (noun)
eellike aquatic North American salamander with small forelimbs and no hind limbs; have permanent external gills	activities associated with sexual intercourse
an acoustic device producing a loud often wailing sound as a signal or warning	the properties that distinguish organisms on the basis of their reproductive roles
a warning signal that is a loud wailing sound	all of the feelings resulting from the urge to gratify sexual impulses
a woman who is considered to be dangerously seductive	either of the two categories (male or female) into which most organisms are divided

siren (verb)	sex (verb)
	tell the sex (of young chickens)
	to evoke sexual feelings