lemon yellow vs maize

lemon yellow and maize both are nouns.

Word	Noun	Adjective	Verb	Adverb
lemon yellow	Yes	No	No	No
maize	Yes	No	No	No

As nouns, lemon yellow and maize are synonyms defined as:

Other synonyms of lemon yellow include gamboge, lemon.

lemon yellow (noun)	maize (noun)
a strong yellow color	a strong yellow color
	tall annual cereal grass bearing kernels on large ears: widely cultivated in America in many varieties; the principal cereal in Mexico and Central and South America since pre-Columbian times