blank check vs freedom

blank check and freedom both are nouns.

Word	Noun	Adjective	Verb	Adverb
blank check	Yes	No	No	No
freedom	Yes	No	No	No

As nouns, freedom is a hypernym of blank check; that is, freedom is a word with a broader meaning than blank check:

blank check: freedom to do as you see fit
freedom: the condition of being free; the power to act or speak or think without externally imposed restraints

blank check (noun)	freedom (noun)
a check that has been signed but with the amount payable left blank	the condition of being free; the power to act or speak or think without externally imposed restraints
freedom to do as you see fit	immunity from an obligation or duty