financial ratio vs ratio

financial ratio and ratio both are nouns.

Word	Noun	Adjective	Verb	Adverb
financial ratio	Yes	No	No	No
ratio	Yes	No	No	No

As nouns, ratio is a hypernym of financial ratio; that is, ratio is a word with a broader meaning than financial ratio:

financial ratio: a relative magnitude of two selected numerical values taken from an enterprise's financial statements.
ratio: the relative magnitudes of two quantities (usually expressed as a quotient)

financial ratio (noun)	ratio (noun)
a relative magnitude of two selected numerical values taken from an enterprise's financial statements.	the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree
	the relative magnitudes of two quantities (usually expressed as a quotient)