disregard vs push aside

disregard is a noun but push aside is not a noun.

Word	Noun	Adjective	Verb	Adverb
disregard	Yes	No	Yes	No
push aside	No	No	Yes	No

As verbs, disregard and push aside are synonyms defined as:

Other synonyms of disregard include brush aside, brush off, discount, dismiss, ignore.

disregard (noun)	push aside (noun)
willful lack of care and attention
lack of attention and due care

disregard (verb)	push aside (verb)
give little or no attention to	bar from attention or consideration
bar from attention or consideration	push out of the way
refuse to acknowledge