assure vs swear

assure and swear both are verbs.

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

As verbs, swear is a hypernym of assure; that is, swear is a word with a broader meaning than assure:

Other hypernyms of assure include affirm, assert, aver, avow, swan, verify.

assure (verb)	swear (verb)
be careful or certain to do something; make certain of something	have faith or confidence in
inform positively and with certainty and confidence	make a deposition; declare under oath
assure somebody of the truth of something with the intention of giving the listener confidence	utter obscenities or profanities
make a promise or commitment	promise solemnly; take an oath
make certain of	to declare or affirm solemnly and formally as true