they both had wicked fathers who ruled as kings
they both recognized the wickedness of their fathers (Mosiah 21:17, 2 Kings 22:10-11,13)
they both made covenants with God to serve him (Mosiah 21:29-31, 2 Kings 23:2-3)
they both put down the wicked rulers, or priests, at the time (Mosiah 19:18,20-21, 2 Kings 23:5)
they both had peace for a time in their nation
and afterwards were subjected by another one and forced to pay huge taxes