mounter vs skilled workman

mounter and skilled workman both are nouns.

Word	Noun	Adjective	Verb	Adverb
mounter	Yes	No	No	No
skilled workman	Yes	No	No	No

As nouns, skilled workman is a hypernym of mounter; that is, skilled workman is a word with a broader meaning than mounter:

Other hypernyms of mounter include skilled worker, trained worker.

mounter (noun)	skilled workman (noun)
someone who ascends on foot	a worker who has acquired special skills
a skilled worker who mounts pictures or jewels etc.