Recent coverage of Gaza and the West Bank illustrates that, while corporate media occasionally outright call for expelling Palestinians from their land, more often the way these outlets support ethnic cleansing is by declining to call it ethnic cleansing.
It can also mean displacement while genocide means the destruction, in whole or part, of a people. Things like the trail of tears are both: People were displaced, also, the US cared so little about native’s lives that a quarter of the displaced straight-out died, which constitutes genocide. But it’s in principle possible, and has occasionally happened, that the displacement doesn’t go hand-in-hand with murder.