uracil vs nucleotide

uracil and nucleotide both are nouns.

Word	Noun	Adjective	Verb	Adverb
uracil	Yes	No	No	No
nucleotide	Yes	No	No	No

As nouns, nucleotide is a hypernym of uracil; that is, nucleotide is a word with a broader meaning than uracil:

uracil: a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
nucleotide: a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)

Other hypernyms of uracil include base.

uracil (noun)	nucleotide (noun)
a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine	a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)