lumberman vs scorer

lumberman and scorer both are nouns.

Word	Noun	Adjective	Verb	Adverb
lumberman	Yes	No	No	No
scorer	Yes	No	No	No

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

lumberman (noun)	scorer (noun)
a person who fells trees	a player who makes a score in a game or contest
	a logger who marks trees to be felled
	an official who records the score during the progress of a game