pinon nut vs pine nut

pinon nut and pine nut both are nouns.

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

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

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

Other synonyms of pinon nut include pignolia.

pinon nut (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