| 100% | TSARS | 5 | Nicholas II was the last of them in Russia |
| 76% | TSARS | 5 | Nicholas II was the last of them |
| 71% | TSAR | 4 | Nicholas II was the last ___ (supreme ruler of Russia) |
| 62% | CZAR | 4 | Nicholas II was the last one for Russia |
| 54% | TSAR | 4 | Nicholas II was the last |
| 54% | TSAR | 4 | Nicholas II was the last one |
| 54% | TSAROFRUSSIA | 12 | Nicholas II was the last one |
| 54% | ELTRAINS | 8 | The 3rd Avenue line was the last of them to operate in Manhattan |
| 53% | ABCS | 4 | Z is the last of them |
| 52% | TUDORS | 6 | Elizabeth I was the last of them |
| 49% | TSAR | 4 | Nicholas II was Russia's last one |
| 47% | QUEEN | 5 | Zewditu was the last of these in Ethiopia, until 1930 |
| 46% | YESES | 5 | The last sentence in "Ulysses" has nine of them |
| 44% | NAWAB | 5 | The last of these in Bahawalpur was Sir Sadiq Muhammad Khan V Abbasi, who reigned until 1956 |
| 42% | PTS | 3 | The letter Q is worth 10 of them in Scrabble: Abbr. |
| 42% | ION | 3 | The last of these Saturn passenger cars was built in March 2007 at GM's Spring Hill, TN, assembly plant |
| 42% | STARS | 5 | There are seven of them in the Big Dipper |
| 42% | EWOKS | 5 | They thought C-3PO was a god in "Return of the Jedi" |
| 42% | SMOLENSK | 8 | City in Russia on the Dnieper River; scene of severe fighting in World War II |
| 42% | ABAA | 4 | Appropriate rhyme scheme for the last verse of They Might Be Giants' "Hate the Villanelle" |
| 42% | DEPART | 6 | What the last words of eight key answers in this puzzle are slangy synonyms of |
| 41% | BALLPARKFIGURES | 15 | Estimates, and what the last parts of 20-, 28- and 48-Across are, in different ways |
| 41% | NEWYEAR | 7 | What the last four letters of eight key answers in this puzzle might be considered, cryptically |
| 40% | CONVERSATIONS | 13 | Most of them are “monologues delivered in the presence of a witness,” per the mystery author Margaret Millar |
| 40% | MONETS | 6 | The largest collection of them is found in Paris's Musée Marmottan |
| 39% | CHAN | 4 | "Keeper of the Keys" was the last novel he was featured in |
| 39% | SALTS | 5 | There are a lot of ___ in the seas making them saline |
| 39% | UNCAS | 5 | The last of the Mohicans, in Cooper's novel |
| 39% | SMOLENSK | 8 | City in W Russia on the Dnieper River; scene of severe fighting in World War II |
| 39% | TSAR | 4 | Nicholas was the last one |