In Jain Dharma, these words do not usually have a “full form” like an abbreviation. They have meaning or spiritual significance.

Here are simple meanings:

• Mahavir — Greatly courageous / victorious one

Refers to Lord Mahavir, the 24th Tirthankar.

• Acharya — Teacher / head of the Jain monastic order

A respected monk who guides the sangh.

• Samyag or Samyak — Right / proper / true

Example: Samyak Darshan means right faith.

• Samyama — Self-control / restraint

Control over senses, mind, speech, and actions.

• Jain — One who has conquered inner enemies

Inner enemies like anger, pride, deceit, and greed.

• Tirthankar — Ford-maker / spiritual guide

One who shows the path to liberation.

• Bhagwan — Revered Lord / worthy of worship

If you want, I can also make a Jain word meanings list in Gujarati, Hindi, or English.