bet on vs ante

bet on is not a noun while ante is a noun.

Word	Noun	Adjective	Verb	Adverb
bet on	No	No	Yes	No
ante	Yes	No	Yes	No

As verbs, ante is a hyponym of bet on; that is, ante is a word with a more specific, narrower meaning than bet on:

Other hyponyms of bet on include double up, parlay.

bet on (noun)	ante (noun)
	(poker) the initial contribution that each player makes to the pot

bet on (verb)	ante (verb)
place a bet on	place one's stake