pushover vs walkover

pushover and walkover both are nouns.

Word	Noun	Adjective	Verb	Adverb
pushover	Yes	No	No	No
walkover	Yes	No	No	No

As nouns, pushover and walkover are synonyms defined as:

Other synonyms of pushover include breeze, child's play, cinch, duck soup, picnic, piece of cake, snap.

pushover (noun)	walkover (noun)
any undertaking that is easy to do	any undertaking that is easy to do
someone who is easily taken advantage of	backbends combined with handstands