amortization vs payment

amortization and payment both are nouns.

Word	Noun	Adjective	Verb	Adverb
amortization	Yes	No	No	No
payment	Yes	No	No	No

As nouns, payment is a hypernym of amortization; that is, payment is a word with a broader meaning than amortization:

amortization: payment of an obligation in a series of installments or transfers
payment: the act of paying money

Other hypernyms of amortization include defrayal, defrayment.

amortization (noun)	payment (noun)
payment of an obligation in a series of installments or transfers	the act of paying money
the reduction of the value of an asset by prorating its cost over a period of years	an act of requiting; returning in kind
	a sum of money paid or a claim discharged