The related noun from the adjective fact is...
No, it is a noun. The related adjective is factual.
The noun form for the adjective obstinate is obstinateness. A related noun form is obstinacy.
The adjective related to the noun greed is greedy. It creates the related noun greediness.
The abstract noun form of the adjective brave are braveness.A related abstract noun is bravery.
No, it is a noun. The related adjective is 'miserable'.
The adjective form for the noun possession is possessional. A related adjective form is possessive.
The noun form of the adjective 'strange' is strangeness.A related noun is stranger.
The noun form for the adjective long is longness.A related noun is length.
The noun form of the adjective 'wide' is wideness.A related noun form is width.
no in fact it is a noun. its a thing
No. It is a noun. The noun opportunity has the related adjective opportune, or derivative adjectives such as opportunistic (from the noun opportunist).
The noun form of the adjective 'modest' is modestness.A related noun form is modesty.