safety vs sex activity

safety and sex activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
safety	Yes	No	No	No
sex activity	Yes	No	No	No

safety (noun)	sex activity (noun)
(baseball) the successful act of striking a baseball in such a way that the batter reaches base safely	activities associated with sexual intercourse
a score in American football; a player is tackled behind his own goal line
a device designed to prevent injury or accidents
contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
a safe place
the state of being certain that adverse effects will not be caused by some agent under defined conditions