Both Napoleon and Snowball definitely want the the farm run by animals by getting rid of Mr. Johns and they both are instrumental in spreading Animalism. But they are also different, Snowball wants animals to work together and run the farm, while Napoleon is more totalitarian and eventually usurps power.
Internel should be internal, diesil should be diesel, combinasion should be combination, presurised should be pressurized, eficiently should be efficiently.