bonded labor vs thralldom

bonded labor and thralldom both are nouns.

Word	Noun	Adjective	Verb	Adverb
bonded labor	Yes	No	No	No
thralldom	Yes	No	No	No

As nouns, thralldom is a hypernym of bonded labor; that is, thralldom is a word with a broader meaning than bonded labor:

bonded labor: a practice in which employers give high-interest loans to workers whose entire families then labor at low wages to pay off the debt; the practice is illegal in the United States
thralldom: the state of being under the control of another person

Other hypernyms of bonded labor include bondage, slavery, thraldom, thrall.

bonded labor (noun)	thralldom (noun)
a practice in which employers give high-interest loans to workers whose entire families then labor at low wages to pay off the debt; the practice is illegal in the United States	the state of being under the control of another person