pass through vs infiltrate

pass through and infiltrate both are verbs.

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

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

pass through and infiltrate: pass through an enemy line; in a military conflict

pass through (verb)	infiltrate (verb)
make a passage or journey from one place to another	pass through an enemy line; in a military conflict
pass through an enemy line; in a military conflict	cause (a liquid) to enter by penetrating the interstices
cause to move through	pass into or through by filtering or permeating
	enter a group or organization in order to spy on the members