get across vs sink in

get across and sink in both are verbs.

Word	Noun	Adjective	Verb	Adverb
get across	No	No	Yes	No
sink in	No	No	Yes	No

As verbs, get across and sink in are synonyms defined as:

get across and sink in: become clear or enter one's consciousness or emotions

Other synonyms of get across include click, come home, dawn, fall into place, get through, penetrate.

get across (verb)	sink in (verb)
become clear or enter one's consciousness or emotions	become clear or enter one's consciousness or emotions
communicate successfully	pass through
travel across or pass over