The possessive case is added to nouns to indicate that the noun has ownership or possession of something. It is something like the “–’s” that is added to the end of a word in English for the same purpose.
The possessive case is formed for
The possessive case may also be formed by adding the suffix -இன். It is equivalent to -உடைய except that it is not typically added to pronouns.
The instrumental case is added to nouns to mean “with the use of”, “because of”, or “by means of”.
The instrumental case is formed by adding the suffix -ஆல்