I can add two more to the list for now. Both songs featured in the first cassette release of Micheal Madana Kama Rajan, but never made it to the film

a. "maththa poovum oru peNNA aagAdha" - Chitra
b. "adi pattam thEdi" - Mano

Also not sure if the song "puththam pudhu poo pooththadhO" from Thalapathi made it to the screen