striker vs slapper

striker and slapper both are nouns.

Word	Noun	Adjective	Verb	Adverb
striker	Yes	No	No	No
slapper	Yes	No	No	No

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

Other hyponyms of striker include spanker, walloper.

striker (noun)	slapper (noun)
the part of a mechanical device that strikes something	a hitter who slaps (usually another person) with an open hand
an employee on strike against an employer
someone receiving intensive training for a naval technical rating
a forward on a soccer team
someone who hits