ekatvam—oneness with Me Adi 4.207, Madhya 19.173
ekatvam—to merge into the body of the Lord Madhya 6.270
ekatvam—of the same quality Iso 7
ekatvam—merging into the body of the Supreme Personality of Godhead Madhya 9.268
ekatvam—to merge into the existence of the Lord Antya 3.189
Can't find any compound Sanskrit words containing ekatvam.