shedder vs attacker

shedder and attacker both are nouns.

Word	Noun	Adjective	Verb	Adverb
shedder	Yes	No	No	No
attacker	Yes	No	No	No

As nouns, attacker is a hypernym of shedder; that is, attacker is a word with a broader meaning than shedder:

Other hypernyms of shedder include aggressor, assailant, assaulter.

shedder (noun)	attacker (noun)
an attacker who sheds or spills blood	someone who attacks