Complex sentence: Almost half of the Vijayanagar inscriptions are in Kannada out of a total of about 7000 available today and use surnames which are pure Kannada titles such as "Bhashegetappuva--rayara--ganda", "Moorurayaraganda" and "Arirayadatta".
Split into simpler sentences: Almost half of the Vijayanagar Empire inscriptions, out of a total of 7000 available to us today, are in Kannada. They use titles that are pure Kannada titles, such as "Bhashegetappuva--rayara--ganda", "Moorurayaraganda" and "Arirayadatta".