pignolia vs pine nut

pignolia and pine nut both are nouns.

Word	Noun	Adjective	Verb	Adverb
pignolia	Yes	No	No	No
pine nut	Yes	No	No	No

As nouns, pignolia and pine nut are synonyms defined as:

pignolia and pine nut: edible seed of any of several nut pines especially some pinons of southwestern North America

Other synonyms of pignolia include pinon nut.

pignolia (noun)	pine nut (noun)
edible seed of any of several nut pines especially some pinons of southwestern North America	edible seed of any of several nut pines especially some pinons of southwestern North America