pumpkin vs pumpkin seed

pumpkin and pumpkin seed both are nouns.

Word	Noun	Adjective	Verb	Adverb
pumpkin	Yes	No	No	No
pumpkin seed	Yes	No	No	No

pumpkin (noun)	pumpkin seed (noun)
usually large pulpy deep-yellow round fruit of the squash family maturing in late summer or early autumn	the edible seed of a pumpkin
a coarse vine widely cultivated for its large pulpy round orange fruit with firm orange skin and numerous seeds; subspecies of Cucurbita pepo include the summer squashes and a few autumn squashes