Here are the Jain-related synonyms and related phrases for Michhami Dukkadam:

• Michhāmi Dukkadam (alternate spelling)
• Micchāmi Dukkaḍḍām (phonetic variant)
• Kshama prarthana (prayer for forgiveness)
• Kshamāpanā (request for forgiveness; act of asking to be pardoned)
• Kshama yachnā (request for pardon; another way to express forgiveness)

Notes:

• Michhami Dukkadam is commonly said at the end of a Pratikraman or during Paryushan as a formal forgiveness gesture to all living beings.
• The core idea across these terms is the same: acknowledging faults, seeking forgiveness, and resolving to refrain from wrongdoings in the future.

If you’d like, I can share a simple, traditional wording used in this context (with framing suitable for Digambar and Shwetambar practices).