forgo vs relinquish

forgo and relinquish both are verbs.

Word	Noun	Adjective	Verb	Adverb
forgo	No	No	Yes	No
relinquish	No	No	Yes	No

As verbs, forgo and relinquish are synonyms defined as:

Other synonyms of forgo include dispense with, forego, foreswear, waive.

forgo (verb)	relinquish (verb)
lose (something) or lose the right to (something) by some error, offense, or crime	release, as from one's grip
do without or cease to hold or adhere to	turn away from; give up
be earlier in time; go back further	part with a possession or right
	do without or cease to hold or adhere to