Conversation so far:
What are some of the Hereditary Peer ranks?
Dukes, Marquesses, Earls, Viscounts, and Barons
How do you obtain Hereditaty Peer rank?
The creation of peerages is a royal prerogative. In modern times all peerages have been created by letters patent. The title may descend after the death to the bearers offspring.

Question: Are titles different from ranks?
Self-contained rewrite: Any titles different from Hereditary Peer ranks?