seeder vs actor

seeder and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
seeder	Yes	No	No	No
actor	Yes	No	No	No

As nouns, actor is a hypernym of seeder; that is, actor is a word with a broader meaning than seeder:

Other hypernyms of seeder include doer, worker.

seeder (noun)	actor (noun)
a kitchen utensil that removes seeds from fruit	a theatrical performer
a mechanical device that sows grass seed or grain evenly over the ground	a person who acts and gets things done
a person who seeds clouds