Final is the adjective form.
The noun form of the adjective 'modest' is modestness.A related noun form is modesty.
The noun form of the adjective close is closeness.
The noun form for the adjective neat is neatness.
No, it is the plural form of a compound noun. There is no adjective associated with the noun.
The noun success becomes the adjective successful.
One possibility is finality.
The noun form for the adjective authentic is authenticity.
The noun form of the adjective 'dangerous' is dangerousness.The word 'dangerous' is the adjective form of the noun danger.The noun form of the adjective 'childish' is childishness.The word 'childish' is the adjective form of the noun child.The noun form of the adjective 'beautiful' is beautifulness.The word 'beautiful' is the adjective form of the noun beauty.
The noun form of the adjective 'wide' is wideness.A related noun form is width.
The noun form of the adjective 'comfortable' is comfortableness.The word 'comfortable' is the adjective form of the noun comfort.
The noun form of the adjective 'modest' is modestness.A related noun form is modesty.
The abstract noun form for the adjective convenient is convenience.
The noun form for the adjective hilarious is hilariousness. A related noun form is hilarity.
The abstract noun form of the adjective unique is uniqueness.
The adjective form for the noun nation is national.
The noun form of the adjective close is closeness.
The word 'weakest' is the superlative form of the adjective 'weak':positive: weakcomparative: weakersuperlative: weakest