Going from Zulu to Kannada (เฒเฒจเณเฒจเฒก) has a composite linguistic distance of 83% (heuristic estimate). Below is the dimension-by-dimension breakdown.
Shared vocabulary, cognates, and loanwords.
Morphology, syntax, word order, cases.
Shared sounds and phoneme inventory.
Latin โ Kannada
Niger-Congo โ Dravidian
The 5 languages with the lowest linguistic distance from Zulu:
A quick 3-question check between Zulu and Kannada. No signup.