tagliatelle vs alimentary paste

tagliatelle and alimentary paste both are nouns.

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

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

tagliatelle: pasta cut in narrow ribbons
alimentary paste: shaped and dried dough made from flour and water and sometimes egg

Other hypernyms of tagliatelle include pasta.

tagliatelle (noun)	alimentary paste (noun)
pasta cut in narrow ribbons	shaped and dried dough made from flour and water and sometimes egg