servitude vs thrall

servitude and thrall both are nouns.

Word	Noun	Adjective	Verb	Adverb
servitude	Yes	No	No	No
thrall	Yes	No	No	No

As nouns, thrall is a hypernym of servitude; that is, thrall is a word with a broader meaning than servitude:

servitude: state of subjection to an owner or master or forced labor imposed as punishment
thrall: the state of being under the control of another person

Other hypernyms of servitude include bondage, slavery, thraldom, thralldom.

servitude (noun)	thrall (noun)
state of subjection to an owner or master or forced labor imposed as punishment	someone held in bondage
	the state of being under the control of another person