liquidity vs fluidness

liquidity and fluidness both are nouns.

Word	Noun	Adjective	Verb	Adverb
liquidity	Yes	No	No	No
fluidness	Yes	No	No	No

As nouns, liquidity and fluidness are synonyms defined as:

Other synonyms of liquidity include fluidity, liquidness, runniness.

liquidity (noun)	fluidness (noun)
the property of flowing easily	the property of flowing easily
being in cash or easily convertible to cash; debt paying ability	a changeable quality
the state in which a substance exhibits a characteristic readiness to flow with little or no tendency to disperse and relatively high incompressibility