cinch vs pushover

cinch and pushover both are nouns.

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

As nouns, cinch and pushover are synonyms defined as:

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

cinch (noun)	pushover (noun)
a form of all fours in which the players bid for the privilege of naming trumps	any undertaking that is easy to do
any undertaking that is easy to do	someone who is easily taken advantage of
stable gear consisting of a band around a horse's belly that holds the saddle in place