Meaning of Sister in Tamil:
Spoken vs Formal
Formal / Written
சகோதரி
"Sagodhari"
For textbooks, news, and formal speeches.
REAL LIFE
Spoken / Chatஅக்கா / தங்கச்சி
"Akka (Elder) / Thangachi (Younger)"
Use this with friends, family, and on WhatsApp.
When to use which?
Like brother, use Akka for elder, Thangachi/Thangai for younger.
Example Usage
English
"She is my sister."
Formal
அவர் என் சகோதரி (Avar en sahodhari).
Spoken (Better)
அவ என் தங்கச்சி (Ava en thangachi).