ordinal vs numeral

ordinal and numeral both are nouns.

Word	Noun	Adjective	Verb	Adverb
ordinal	Yes	Yes	No	No
numeral	Yes	Yes	No	No

As nouns, numeral is a hypernym of ordinal; that is, numeral is a word with a broader meaning than ordinal:

Other hypernyms of ordinal include number.

ordinal (noun)	numeral (noun)
the number designating place in an ordered sequence	a symbol used to represent a number
	a word expressing a number.

ordinal (adjective)	numeral (adjective)
being or denoting a numerical order in a series	of or relating to or denoting numbers
of or relating to a taxonomic order