pass across vs pass through

pass across and pass through both are verbs.

Word	Noun	Adjective	Verb	Adverb
pass across	No	No	Yes	No
pass through	No	No	Yes	No

As verbs, pass across and pass through are synonyms defined as:

pass across and pass through: make a passage or journey from one place to another

Other synonyms of pass across include move through, pass over, transit.

pass across (verb)	pass through (verb)
make a passage or journey from one place to another	make a passage or journey from one place to another
	pass through an enemy line; in a military conflict
	cause to move through