rely vs swear

rely and swear both are verbs.

Word	Noun	Adjective	Verb	Adverb
rely	No	No	Yes	No
swear	No	No	Yes	No

As verbs, rely and swear are synonyms defined as:

Other synonyms of rely include bank, bet, calculate, count, depend, look, reckon.

rely (verb)	swear (verb)
have faith or confidence in	have faith or confidence in
	make a deposition; declare under oath
	utter obscenities or profanities
	promise solemnly; take an oath
	to declare or affirm solemnly and formally as true