In historical|lang=en terms the difference between egypt and ethiopia

is that egypt is (historical) a civilization based around the river nile, on its lower reaches nearer the mediterranean while ethiopia is (historical) sub-saharan africa, especially the parts south of egypt and along and east of the nile.

As proper nouns the difference between egypt and ethiopia

is that egypt is a country in north africa official name: arab republic of egypt while ethiopia is country in eastern africa official name: federal democratic republic of ethiopia.