| Domain that began at the end of the Dark Ages: Abbr. | 52 |
| Domain of the Hapsburgs, once: Abbr. | 36 |
| Domain of Otto I: Abbr. | 23 |
| Domain of Otto I, II, etc. | 26 |
| Domain of Charlemagne: Abbr. | 28 |
| Dom. of Otto II: 973-83 | 23 |
| Dom. of Otto II | 15 |
| Dom. of Otto | 12 |
| Charles V's realm: Abbr. | 28 |
| Charlemagne's reign, briefly | 32 |
| Charlemagne's reign (abbr.) | 31 |
| Charlemagne's emp. | 22 |
| Charlemagne was its first ruler (Abbr.) | 39 |
| Charlemagne realm: Abbr. | 24 |
| Centuries-long realm dissolved in 1806: Abbr. | 45 |
| Any of four Ottos: Abbr. | 24 |
| 1,000-year Eur. realm | 21 |
| 1,000-plus-year realm: Abbr. | 28 |
| Royal initials | 14 |
| Regal letters | 13 |
| Buckingham Palace initials | 26 |
| Royal monogram | 14 |
| Regal initials | 14 |
| Royal title: Abbr. | 18 |
| Regal inits. | 12 |
| Buckingham Palace letters | 25 |
| Abbr. for a king or queen | 25 |
| Windsor Castle initials | 23 |
| Throne letters | 14 |
| Royal letters | 13 |
| Royal acronym | 13 |
| Princely letters | 16 |
| Letters of royalty | 18 |
| Letters for a princess | 22 |
| Letters for a prince | 20 |
| Letters for a British princess | 30 |
| Initials for the Queen of England | 33 |
| Elizabeth II's monogram | 27 |
| Buckingham Palace inits. | 24 |
| British royalty letters | 23 |
| Windsor initials | 16 |
| Title for Elizabeth II: Abbr. | 29 |
| Title for a princess: Abbr. | 27 |
| Title for a prince or princess: Abbr. | 37 |
| Royal abbreviation | 18 |
| Royal abbr. | 11 |
| Relative of H.I.M. | 18 |
| Regal title, for short | 22 |
| R.M.N. aide | 11 |
| Queenly letters | 15 |
| Queen Elizabeth II e.g. | 23 |
| Queen Elizabeth , e.g. | 22 |
| Queen Eliz., e.g. | 17 |
| QE II initials | 14 |
| Princely inits. | 15 |
| Princely initials | 17 |
| Prince's title: Abbr. | 25 |
| Noble letters | 13 |
| Monarchical letters | 19 |
| Monarchal letters | 17 |
| Monarch's three-wd. title | 29 |
| Letters to introduce a prince | 29 |
| Letters preceding Queen Elizabeth II | 36 |
| Letters for Margaret | 20 |
| Letters for Elizabeth II | 24 |
| Letters for Elizabeth | 21 |
| Letters for a prince or princess | 32 |
| Letters for a duke | 18 |
| Letters for a Clarence House resident | 37 |
| Letters before Prince William of Wales | 38 |
| Letters before a princess's name | 36 |
| Letters before a duke's name | 32 |
| Letters at Buckingham Palace | 28 |
| Kingly letters | 14 |
| Kingly initials | 15 |
| Inits. on a princess's towels? | 34 |
| Inits. for Kate Middleton, someday | 34 |
| Initials of rank | 16 |
| Initials for Princess Di | 24 |
| Initials for Elizabeth II | 25 |
| Initials for Camilla | 20 |
| Initials for a prince | 21 |
| Initials for a monarch | 22 |
| George or Henry briefly | 24 |
| Elizabethan letters | 19 |
| Danielle Steel novel about a European princess | 46 |
| Buckingham Palace monogram | 26 |
| Buckingham initials | 19 |
| Brit. title of respect | 22 |
| Brit. monarch's title | 25 |
| Address for an emp. | 19 |
| Abbr. reserved for kings and queens | 35 |
| Abbr. for Prince Charles | 24 |
| Abbr. for Elizabeth II | 22 |
| Abbr. for a queen | 17 |
| Abbr. for a prince | 18 |
| Abbr. for a future monarch | 26 |
| Abbr. for a British monarch | 27 |
| Abbr. before a duke's name | 30 |
| 2006 Danielle Steel bestseller about a princess | 47 |