capitalisation vs estimation

capitalisation and estimation both are nouns.

Word	Noun	Adjective	Verb	Adverb
capitalisation	Yes	No	No	No
estimation	Yes	No	No	No

As nouns, estimation is a hypernym of capitalisation; that is, estimation is a word with a broader meaning than capitalisation:

Other hypernyms of capitalisation include estimate.

capitalisation (noun)	estimation (noun)
the act of capitalizing on an opportunity	a judgment of the qualities of something or somebody
the sale of capital stock	an approximate calculation of quantity or degree or worth
an estimation of the value of a business	the respect with which a person is held
writing in capital letters	a document appraising the value of something (as for insurance or taxation)