Phonetic correspondence observed

Generally 16 Tamil consonants and 18 Korean consonnats have correspondence

the core correspondence—ie without variations (5 Tamil, 7 Korean letters)

50% correspondence on other letters

wider variation of ㅅ sounds in Korean (5) but mapped with 2 Tamil letters

wider variation of ㄱ (3) mapped by 1 Tamil

wider variation of ㄷ (3) to 1 Tamil

Shrunk ㄴ(1) to 3 Tamil

Shrunk ㄹ (1) to 5 Tamil