Formal:
* விரைவில் வாருங்கள் (viraivil vaaṛukaṁkaḷ): This is the most formal way to say "come soon". It literally translates to "Come quickly".
* விரைவில் வருக (viraivil varuka): This is a slightly less formal version of the above, used for a single person. It also translates to "Come quickly".
Informal:
* சீக்கிரம் வா (sīkkiram vā): This is a very common and informal way to say "come soon", literally meaning "Come quickly".
* சீக்கிரமா வா (sīkkiramā vā): This is another informal way to say "come soon", with a slightly more casual tone. It also means "Come quickly".
Other options:
* சீக்கிரம் வந்துரு (sīkkiram vanthuru): This means "Come soon, okay?".
* சீக்கிரம் வரணும் (sīkkiram varaṇum): This means "You should come soon".
The best way to choose the appropriate phrase depends on the situation and your relationship with the person you are talking to.