thrall vs bonded labor

thrall and bonded labor both are nouns.

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

As nouns, bonded labor is a hyponym of thrall; that is, bonded labor is a word with a more specific, narrower meaning than thrall:

thrall: the state of being under the control of another person
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

Other hyponyms of thrall include servitude, serfdom, serfhood, vassalage.

thrall (noun)	bonded labor (noun)
someone held in bondage	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