A good list to start would be
Career
1. some Police Ranks - Captain, Sergeant, Officer, Commissioner, etc.
2. Military Ranks - Private, Corporal, Sergeant, Lieutenant, Captain, Major, Colonel, General
3. Detective
4. Esq. for Attorneys, The Honorable for Judges
5. Doctor for Medical doctors, Veterinarians, Dentists, Psychiatrists
6. Political - Mayor, etc.
7. Firefighting rankings should be similar to military and police
8. Doctor or PHD for Archeologist and Education at its top level
If we get Martial Arts once you achieve the top rank
1. Master
I think if a Sim makes it to top of the Vampire powers of learns all the Spells and ranks for Witches they should get a title you can choose.
1. the Terrible
2. the Magnificent
3. the Great and Powerful
4. Master
Hereditary titles - I really like this for the Vamps
1. Duke, Duchess
2. Count, Countess
3. Lord, Lady
Honorary Titles - Sort of the OBE titles in Great Britain
1. Sir
2. Dame
Achievement Based
1. Career Rewards
2. Having so many friends - The Beloved