touch a chord vs strike a chord

touch a chord and strike a chord both are verbs.

Word	Noun	Adjective	Verb	Adverb
touch a chord	No	No	Yes	No
strike a chord	No	No	Yes	No

As verbs, touch a chord and strike a chord are synonyms defined as:

touch a chord and strike a chord: evoke a reaction, response, or emotion

touch a chord (verb)	strike a chord (verb)
evoke a reaction, response, or emotion	create an emotional response
	refer to or be relevant or familiar to
	evoke a reaction, response, or emotion