[mrighele]

Chai (or a variation) is the name for tea in half of the world [1], so if you say "chai" you are just saying "tea", while if you say "Chai Tea", if I understand correctly, you are probably referring to a specific beverage [2]

[1] https://qz.com/1176962/map-how-the-word-tea-spread-over-land...

[2] https://en.wikipedia.org/wiki/Masala_chai

[ra7]

Chai = Tea (e.g. Assam tea) with milk

Masala Chai = Chai + spices (masala)