Crossword Puzzle Substitute ruler

Clue: Substitute ruler

Substitute rulers (REGENTS with 7 letters)
Former rulers (e.g. CZARS with 5 letters)
Inventor who said "There is no substitute for hard work" (EDISON with 6 letters)
Bygone rulers (e.g. SHAHS with 5 letters)
Sketchy substitute for cash (IOU with 3 letters)
Former Turkish ruler (PASHA with 5 letters)
Early Slavonic ruler's title (KRAL with 4 letters)
Substitute's place (STEAD with 5 letters)
Hits, as with a ruler (WHACKS with 6 letters)
Pythias' substitute as hostage (DAMON with 5 letters)