work over vs batter

work over is not a noun while batter is a noun.

Word	Noun	Adjective	Verb	Adverb
work over	No	No	Yes	No
batter	Yes	No	Yes	No

As verbs, batter is a hyponym of work over; that is, batter is a word with a more specific, narrower meaning than work over:

work over: give a beating to; subject to a beating, either as a punishment or as an act of aggression
batter: strike violently and repeatedly

work over (noun)	batter (noun)
	a liquid or semiliquid mixture, as of flour, eggs, and milk, used in cooking
	(baseball) a ballplayer who is batting

work over (verb)	batter (verb)
give a beating to; subject to a beating, either as a punishment or as an act of aggression	make a dent or impression in
	strike violently and repeatedly
	strike against forcefully