mostaccioli vs alimentary paste

mostaccioli and alimentary paste both are nouns.

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

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

mostaccioli: pasta somewhat resembling little moustaches
alimentary paste: shaped and dried dough made from flour and water and sometimes egg

Other hypernyms of mostaccioli include pasta.

mostaccioli (noun)	alimentary paste (noun)
pasta somewhat resembling little moustaches	shaped and dried dough made from flour and water and sometimes egg