excitation vs sex activity

excitation and sex activity both are nouns.

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

excitation (noun)	sex activity (noun)
something that agitates and arouses	activities associated with sexual intercourse
the neural or electrical arousal of an organ or muscle or gland
the state of being emotionally aroused and worked up