get word vs ascertain

get word and ascertain both are verbs.

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

As verbs, ascertain is a hyponym of get word; that is, ascertain is a word with a more specific, narrower meaning than get word:

Other hyponyms of get word include get the goods, wise up, catch, trip up.

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