An example of the use of abstract nouns (suffix -taa: artha_taa) from Michael Coulson's Sanskrit primer (modified transliteration):
raajñaaM tu caritaarthataapi duHkhottaraiva. (Attempt at sandhi-vigraha: raajñaam; tu carita-arthataa + api duHkha + uttaraa + eva.) Coulson's translation: but for kings, [even the state of being one whose aims are effected* has as a consequence unhappiness:] even success is attended with unhappiness * carita-arthaa_taa: state of being one (-taa) whose aims (artha) are effected (carita) -- card