pyriform lobe vs piriform area

pyriform lobe and piriform area both are nouns.

Word	Noun	Adjective	Verb	Adverb
pyriform lobe	Yes	No	No	No
piriform area	Yes	No	No	No

As nouns, pyriform lobe and piriform area are synonyms defined as:

pyriform lobe and piriform area: pear-shaped neural structure on either side of the brain in the rhinencephalon

Other synonyms of pyriform lobe include piriform lobe, pyriform area.

pyriform lobe (noun)	piriform area (noun)
pear-shaped neural structure on either side of the brain in the rhinencephalon	pear-shaped neural structure on either side of the brain in the rhinencephalon