Tamil has the most unique vocabulary among South Indian languages, with over 100,000 words that are not found in any other language.

Tamil has around 40% unique words compared to other South Indian languages.

Tamil is known for its rich vocabulary of classical literature, with many words that are not used in everyday speech.

The Tamil Lexicon is a dictionary that contains over 100,000 Tamil words.

Kannada has the second largest vocabulary after Tamil among South Indian languages.

Kannada has around 20% unique words compared to other South Indian languages.

Kannada is known for its rich vocabulary of folk literature, with many words that are not used in everyday speech.

The Kannada Dictionary is a dictionary that contains over 50,000 Kannada words.

Malayalam has the third largest vocabulary after Tamil and Kannada among South Indian languages.

Malayalam has around 15% unique words compared to other South Indian languages.

Malayalam is known for its rich vocabulary of religious literature, with many words that are not used in everyday speech.

The Malayalam Dictionary is a dictionary that contains over 40,000 Malayalam words.

Telugu has the fourth largest vocabulary after Tamil, Kannada, and Malayalam among South Indian languages.

Telugu has around 12% unique words compared to other South Indian languages.

Telugu is known for its rich vocabulary of scientific literature, with many words that are not used in everyday speech.