dawn vs get across

dawn is a noun but get across is not a noun.

Word	Noun	Adjective	Verb	Adverb
dawn	Yes	No	Yes	No
get across	No	No	Yes	No

As verbs, dawn and get across are synonyms defined as:

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

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

dawn (verb)	get across (verb)
become light	become clear or enter one's consciousness or emotions
become clear or enter one's consciousness or emotions	communicate successfully
appear or develop	travel across or pass over