striker vs spanker

striker and spanker both are nouns.

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

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

Other hyponyms of striker include slapper, walloper.

striker (noun)	spanker (noun)
the part of a mechanical device that strikes something	a fore-and-aft sail set on the aftermost lower mast (usually the mizzenmast) of a vessel
an employee on strike against an employer	a hitter who slaps (usually another person) with an open hand
someone receiving intensive training for a naval technical rating
a forward on a soccer team
someone who hits