A major distinction between literary and spoken forms of Kannada:

Vocabulary
Grammar
Pronunciation
All of the above

The correct answer is: All of the above.

Literary Kannada is the form of the language that is used in formal writing, such as literature, newspapers, and government documents. Spoken Kannada is the form of the language that is used in everyday conversation.

There are several major distinctions between literary and spoken Kannada. First, the vocabulary of literary Kannada is much more extensive than the vocabulary of spoken Kannada. Literary Kannada has a large number of words that are not used in everyday speech. These words are often borrowed from Sanskrit or other languages.

Second, the grammar of literary Kannada is more complex than the grammar of spoken Kannada. Literary Kannada has a number of rules that are not used in spoken Kannada. These rules are often related to the use of verb tenses and case endings.

Third, the pronunciation of literary Kannada is different from the pronunciation of spoken Kannada. Literary Kannada is pronounced more slowly and carefully than spoken Kannada. The vowels in literary Kannada are also pronounced more distinctly than the vowels in spoken Kannada.

In conclusion, there are several major distinctions between literary and spoken Kannada. These distinctions include vocabulary, grammar, and pronunciation.