ascertain vs learn

ascertain and learn both are verbs.

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

As verbs, learn is a hypernym of ascertain; that is, learn is a word with a broader meaning than ascertain:

Other hypernyms of ascertain include discover, find out, get a line, get wind, get word, hear, pick up, see.

As verbs, ascertain and learn are synonyms defined as:

ascertain and learn: find out, learn, or determine with certainty, usually by making an inquiry or other effort

Other synonyms of ascertain include check, determine, find out, see, watch.

ascertain (verb)	learn (verb)
be careful or certain to do something; make certain of something	gain knowledge or skills
learn or discover with certainty	get to know or become aware of, usually accidentally
find out, learn, or determine with certainty, usually by making an inquiry or other effort	be a student of a certain subject
establish after a calculation, investigation, experiment, survey, or study	commit to memory; learn by heart
	impart skills or knowledge to
	find out, learn, or determine with certainty, usually by making an inquiry or other effort