seed sprouter vs device

seed sprouter and device both are nouns.

Word	Noun	Adjective	Verb	Adverb
seed sprouter	Yes	No	No	No
device	Yes	No	No	No

As nouns, device is a hypernym of seed sprouter; that is, device is a word with a broader meaning than seed sprouter:

seed sprouter (noun)	device (noun)
A device for sprouting seeds.	any clever maneuver
	an instrumentality invented for a particular purpose
	an emblematic design (especially in heraldry)
	any ornamental pattern or design (as in embroidery)
	something in an artistic work designed to achieve a particular effect