How many letters does the top answer for “the state of being under the control of another person” have?

The most common answer is slavery (7 letters).

Crossword clue: the state of being under the control of another person

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

slavery 7 letters wn-def

the state of being under the control of another person

thraldom 8 letters wn-def

the state of being under the control of another person

thralldom 9 letters wn-def

the state of being under the control of another person