is a specific kind of: get rid of, remove.

is a broader term that covers: unlearn | deep-six, give it the deep six | jettison | junk, scrap, trash | waste | dump | retire | abandon | liquidize, sell out, sell up | de-access | close out ... show more.

derivation: disposal, disposition | discard, throwing away | fling | discard.

is a specific kind of: expel, kick out, throw out.

is a broader term that covers: evict, force out | evict | show the door | bounce | exorcise, exorcize.

derivation: ejection, exclusion, expulsion, riddance | cartridge ejector, ejector.