Pumpkin and Spaghetti squash

Pumpkin noun - 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.

Spaghetti squash and pumpkin are semantically related. In some cases you can use "Spaghetti squash" instead a noun "Pumpkin".

Spaghetti squash noun - Squash plant bearing oval fruit with smooth yellowish skin and tender stranded flesh resembling spaghetti.

Pumpkin and spaghetti squash are semantically related. You can use "Pumpkin" instead a noun phrase "Spaghetti squash".