census vs numeration

census and numeration both are nouns.

Word	Noun	Adjective	Verb	Adverb
census	Yes	No	Yes	No
numeration	Yes	No	No	No

As nouns, numeration is a hypernym of census; that is, numeration is a word with a broader meaning than census:

Other hypernyms of census include count, counting, enumeration, reckoning, tally.

census (noun)	numeration (noun)
a periodic count of the population	the act of counting; reciting numbers in ascending order
	naming numbers

census (verb)	numeration (verb)
conduct a census