correctional

As an adjective correctional

is of, pertaining to, or intended for correction.

As a verb correcting is

.

As a noun prison

is a place of long-term confinement for those convicted of serious crimes, or otherwise considered undesirable by the government.

As a verb prison

is to imprison.

As an adjective correctional is

of, pertaining to, or intended for correction.

As an adjective correctional

is of, pertaining to, or intended for correction.

As a noun correctness is

freedom from error.

As an adjective correctional

is of, pertaining to, or intended for correction.

As a verb corrected is

(correct).

As adjectives the difference between corrective and correctional

is that corrective is of or pertaining to correction; serving to correct while correctional is of, pertaining to, or intended for correction.

As a noun corrective

is something that corrects or counteracts something, especially an injury or disability.