skip vs pass over

skip is a noun but pass over is not a noun.

Word	Noun	Adjective	Verb	Adverb
skip	Yes	No	Yes	No
pass over	No	No	Yes	No

As verbs, skip and pass over are synonyms defined as:

Other synonyms of skip include jump, skip over.

skip (noun)	pass over (noun)
a mistake resulting from neglect
a gait in which steps and hops alternate

skip (verb)	pass over (verb)
bypass	bypass
cause to skip over a surface	rub with a circular motion
jump lightly	travel across or pass over
leave suddenly	make a passage or journey from one place to another
bound off one point after another	fly over
intentionally fail to attend