Was Renown a battleship in a battlecruiser's hull while Hood was a battlecruiser in a battleship's hull?
Short answerBroadly yes: Hood had the stronger outer armor, while Renown relied more heavily on internal subdivision and resilience.
NotesRenown can be described as a battleship arranged in a battlecruiser's shape, with Hood as the reverse. Hood's external armor presented the harder initial barrier. Renown, however, divided its interior more extensively, giving flooding and blast fewer uninterrupted paths through the ship. Survivability depends on internal subdivision as well as nominal belt thickness.