batter vs whiffer

batter and whiffer both are nouns.

Word	Noun	Adjective	Verb	Adverb
batter	Yes	No	Yes	No
whiffer	Yes	No	No	No

As nouns, whiffer is a hyponym of batter; that is, whiffer is a word with a more specific, narrower meaning than batter:

batter: (baseball) a ballplayer who is batting
whiffer: a batter who strikes out by swinging at and missing the third strike

Other hyponyms of batter include bunter, designated hitter, pinch hitter, switch-hitter.

batter (noun)	whiffer (noun)
a liquid or semiliquid mixture, as of flour, eggs, and milk, used in cooking	a batter who strikes out by swinging at and missing the third strike
(baseball) a ballplayer who is batting

batter (verb)	whiffer (verb)
make a dent or impression in
strike violently and repeatedly
strike against forcefully