The abstract noun form of the adjective 'private' is privateness.
A related abstract noun is privacy.
The word 'private' is also a concrete noun as a word for a low ranking soldier; a word for a person.
Abstract nouns:educationtroubleConcrete nouns: elevatortree
Some abstract nouns with M and A are:ambiguityanimositycamaraderiedemocracydramagrammarimaginationlimitationmagicmanners
Both love and hate are abstract nouns.
Some abstract nouns that end with the suffix 'dom' are:freedomwisdomboredomstardomSome abstract nouns that end with the suffix 'ship' are: friendshiprelationshipworshipcitizenship
Abstract nouns are sometimes called 'special nouns' or 'idea nouns'.
Idea nouns are abstract nouns, names for specific persons, places, things, or titles. Examples:agonybargaincheerdogmaeducationfungratitudehopeignorancejoyknowledgelovemadnessnatureorganizationpityquestionragestrengthtrust
Examples of abstract nouns that start with D are:dangerdaredestinydignitydiplomacydismissaldoomdramadreaddreamdrudgeryduty
The abstract nouns for these concrete nouns are:motherhoodpriesthoodfriendship
Examples of abstract nouns that begin with the letter 'u' are:ubiquityuglinessunderstandingunityunhappinessupheavalurgencyuseusefulnessusury
Some abstract nouns starting with M are:majoritymaladymarriagememorymercymomentMondaymoodmurdermystery
Abstract nouns means that ,lets say if it was abstract nouns the formula is i do not know.
Examples of abstract nouns that begin with H are:hatehavenheavenheedhelphierarchyhinthomehonestyhonorhopeHorrorhumorhysteria