The noun forms for the adjective frugal are frugalness and frugality.
A person who is NOT frugal is a spendthrift.
The noun form of the adjective 'prosperous' is prosperousness.A related noun form is prosperity.
A frugal person avoids wasting anything.
Theirs was a frugal existence, living on what they grew.
Two adjectives for a miser could be frugal and stingy.
The suffix for "frugal" is "-ity." When adding the suffix "-ity" to the base word "frugal," it changes the word from an adjective describing someone who is economical or thrifty to a noun referring to the quality or state of being frugal. In this case, "frugality" is the noun form derived from the adjective "frugal."
Frugal
A person who is NOT frugal is a spendthrift.
A frugal government is a government that is economical
The noun form for the adjective horrible is horribleness.
The noun form of the adjective 'prosperous' is prosperousness.A related noun form is prosperity.
The noun form of the adjective obedient is obedience.
she is such a frugal woman that she never bought a car!
I'm not cheap, just frugal!
noun form of religious
The noun form is punisher
Implication is the noun form of "imply."