bond servant vs thrall

bond servant and thrall both are nouns.

Word	Noun	Adjective	Verb	Adverb
bond servant	Yes	No	No	No
thrall	Yes	No	No	No

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

Other hyponyms of bond servant include bondman, bondsman, bondmaid, bondswoman, bondwoman.

bond servant (noun)	thrall (noun)
someone bound to labor without wages	someone held in bondage
	the state of being under the control of another person