IPA: //ˈpoʊstˌprɪzən//
KK: /ˈpoʊstˌprɪzən/
Relating to the time or situation after someone has been released from incarceration.
The postprison program helps former inmates reintegrate into society.
Postprison → It is formed from "post-" (meaning after) and "prison" (from Old French *prison*, meaning a place of confinement). The word "postprison" refers to the time or state after being in prison.
Think of 'after' ('post-') being related to a 'place of confinement' ('prison') — that's why postprison refers to the time after being in prison.
No commonly confused words.