forgo vs foreswear

forgo and foreswear both are verbs.

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

As verbs, forgo and foreswear are synonyms defined as:

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

forgo (verb)	foreswear (verb)
lose (something) or lose the right to (something) by some error, offense, or crime	turn away from; give up
do without or cease to hold or adhere to	do without or cease to hold or adhere to
be earlier in time; go back further