excite vs touch on

excite and touch on both are verbs.

Word	Noun	Adjective	Verb	Adverb
excite	No	No	Yes	No
touch on	No	No	Yes	No

As verbs, touch on is a hypernym of excite; that is, touch on is a word with a broader meaning than excite:

Other hypernyms of excite include affect, bear on, bear upon, impact, touch.

excite (verb)	touch on (verb)
act as a stimulant	restore by replacing a part or putting together what is torn or broken
produce a magnetic field in	have an effect upon
raise to a higher energy level	refer to or discuss briefly
stir the feelings, emotions, or peace of	be relevant to
to evoke sexual feelings
arouse or elicit a feeling
cause to be agitated, excited, or roused
stir feelings in