tortellini vs alimentary paste

tortellini and alimentary paste both are nouns.

Word	Noun	Adjective	Verb	Adverb
tortellini	Yes	No	No	No
alimentary paste	Yes	No	No	No

As nouns, alimentary paste is a hypernym of tortellini; that is, alimentary paste is a word with a broader meaning than tortellini:

tortellini: small ring-shaped stuffed pasta
alimentary paste: shaped and dried dough made from flour and water and sometimes egg

Other hypernyms of tortellini include pasta.

tortellini (noun)	alimentary paste (noun)
small ring-shaped stuffed pasta	shaped and dried dough made from flour and water and sometimes egg