ascertain vs ascertain

ascertain and ascertain both are verbs.

Word	Noun	Adjective	Verb	Adverb
ascertain	No	No	Yes	No
ascertain	No	No	Yes	No

ascertain (verb)	ascertain (verb)
be careful or certain to do something; make certain of something	be careful or certain to do something; make certain of something
learn or discover with certainty	learn or discover with certainty
find out, learn, or determine with certainty, usually by making an inquiry or other effort	find out, learn, or determine with certainty, usually by making an inquiry or other effort
establish after a calculation, investigation, experiment, survey, or study	establish after a calculation, investigation, experiment, survey, or study