On a more serious bit - the word origin of each is interesting. The word used depended on how it got to its destination - by land or by sea.
https://qz.com/1176962/map-how-the-word-tea-spread-over-land...
If it was shipped over land across the Silk Road, its name stems from 'cha' (茶). However, if it was shipped from the coast, the dialect spoken there pronounced 茶 as 'te'.