Here are simple Jain-friendly boy names that include both the letters R and T (anywhere in the name), with easy meanings:

1. Ritvik – one who performs sacred rites; disciplined and pure.
2. Ritansh – a part of truth / righteousness.
3. Ritom / Ritum – truth, right order.
4. Ritvikraj – king of right conduct / sacred duties.
5. Triratna – “three jewels” (Right Faith, Right Knowledge, Right Conduct) – a very core Jain concept.
6. Tarit – one who helps to cross over (saṃsār); savior-like.
7. Ritendra – lord of righteousness.
8. Ritesh – lord of truth / right way.
9. Dhruvrit – firm in vow (vrat); steady in discipline.
10. Harit – green, fresh; also used in spiritual sense as pure and lively.

If you want a name directly inspired by Jain ideals, Triratna, Ritansh, or Ritesh are especially nice and still easy to pronounce.

You can explore more Jain baby names here