- Leviathan, Queen Victoria, Caledon (similar root to Erin and Hibernia - Caledonia used as a cruiser name ... so was Boedicea).
-'R' names: Redoubtable, Resistance, Retaliation, Resiliance,
- Hamilcar, Hannibal, Hasdrubal, ... and add Hadrian to make a four ship grouping
- Intractable, Impertinent, Imperious ... oh what the hell ... add Irreconcilable and you could call it the ex-wife class .... they would be insurmountable!
... maybe add Irrelevant ... in honor of the ex-mother-in-law ...
for I's and R's , just sit down with a dictionary ... 15 minutes will find you enough names to cover the fleet for several hundred years.
There was a Temeraire ... I think a Bellerophon class if I'm not mistaken ... a series improvement on HMS Dreadnought. It was at Jutland ... and one of the proposed names for a ww2 Lion class as well, according to some sources.
Sans Pareil ... the name of an older RN battleship, long gone to the breaker.
Singapore, Malta, Gibraltar, Hong Kong