finance vs flotation

finance and flotation both are nouns.

Word	Noun	Adjective	Verb	Adverb
finance	Yes	No	Yes	No
flotation	Yes	No	No	No

As nouns, flotation is a hyponym of finance; that is, flotation is a word with a more specific, narrower meaning than finance:

finance (noun)	flotation (noun)
the commercial activity of providing funds and capital	financing a commercial enterprise by bond or stock shares
the management of money and credit and banking and investments	the phenomenon of floating (remaining on the surface of a liquid without sinking)
the branch of economics that studies the management of money and other assets

finance (verb)	flotation (verb)
obtain or provide money for
sell or provide on credit