lemon vs lemon peel

lemon and lemon peel both are nouns.

Word	Noun	Adjective	Verb	Adverb
lemon	Yes	No	No	No
lemon peel	Yes	No	No	No

lemon (noun)	lemon peel (noun)
an artifact (especially an automobile) that is defective or unsatisfactory	the rind of a lemon
a strong yellow color	strips of lemon peel cooked in sugar and coated with sugar
a distinctive tart flavor characteristic of lemons
yellow oval fruit with juicy acidic flesh
a small evergreen tree that originated in Asia but is widely cultivated for its fruit