Answer:
Water = Water is not common noun . It is material noun . But in give me a glass of water, water is common noun . Common noun has singular and plural forms . Boy=boys. But water=(no waters).
Pride = Pride(noun) [common noun] a small European lamprey (Petromyzon branchialis); -- called also prid, and sandpiper. Pride(noun) the quality or state of being proud; inordinate self-esteem; an unreasonable conceit of one's own superiority in talents, beauty, wealth, rank, etc., which manifests itself in lofty airs, distance, reserve, and often in contempt of others.
Desk = The noun 'desk' is a common noun, a general word for a type of furniture. The noun 'desk' is a singular noun. The plural noun is 'desks'.
Angry/ Anger = Anger is an abstract noun—it falls in the Action definition of abstract nouns as defined below. Angriness is the state of being angry. Looks like this falls under the Quality definition of an abstract noun. An Abstract Noun is usually the name of a quality, action, or state considered apart.
Boy = The noun 'boys' is a plural, common, concrete noun; a word for two or more young, male, human beings; a word for people. The singular noun is 'boy', a word for one person.
Star = Star is a count noun, because you can count the stars in the sky. The word occurs also with respect to celebrity actors in the film world - you could have many “stars” in a big-budget movie - a multi-starrer. So, I have converted the noun ‘star’ into another noun ‘starrer’.
Air = he word 'air' is a common, concrete and material noun. Nouns are words that are used for the identification of people, places, things and qualities. The given word 'air' is a common noun as it does not refer to any specific air but the atmosphere that surrounds us everywhere.