piriform lobe vs piriform area

piriform lobe and piriform area both are nouns.

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

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

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

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

piriform 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