The abstract noun form of the verb to 'prefer' is preference.
Preference
The abstract noun form for the verb to frequent is frequency.The abstract noun form for the adjective frequent is frequentness.
The abstract noun form for the adverb seldom is seldomness.
An abstract noun form of the concrete noun 'friends' is friendship.
The abstract noun form of the adjective 'big' is bigness.
The abstract noun form of the adjective 'difficult' is difficulty.
The abstract noun form is tourism.
The abstract noun form of the adjective unique is uniqueness.
The abstract noun form of the concrete noun 'thief' is thievery.The abstract noun form of the concrete noun 'infant' is infancy.The abstract noun form of the concrete noun 'coward' is cowardice.The abstract noun form of the adjective 'urgent' is urgency.
The abstract noun form of the concrete noun friend is friendship. The abstract noun form of the verb to serve is service. The abstract noun form of the adjective weary is weariness. The abstract noun form of the concrete noun child is childhood.,
The abstract noun form of the concrete noun 'women' is womanhood.
The abstract noun form for the adjective truthful is truthfulness.The word 'truthful' is the adjective form of the abstract noun truth.
The abstract noun form of the adjective 'attentive' is attentiveness.A related abstract noun form is attention.
The abstract noun form of the adjective 'polite' is politeness.
The abstract noun form of the adjective 'legal' is legality.A related abstract noun form is the informal noun legalese.
The abstract noun form of the adjective 'bold' is boldness.
The abstract noun form for the adjective ambitious is ambitiousness. Another abstract noun form is ambition.
The abstract noun form for the adjective suspicious is suspiciousness.A related abstract noun form is suspicion.