bondage vs servitude

bondage and servitude both are nouns.

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

As nouns, servitude is a hyponym of bondage; that is, servitude is a word with a more specific, narrower meaning than bondage:

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

Other hyponyms of bondage include bonded labor, serfdom, serfhood, vassalage.

bondage (noun)	servitude (noun)
sexual practice that involves physically restraining (by cords or handcuffs) one of the partners	state of subjection to an owner or master or forced labor imposed as punishment
the state of being under the control of another person
the state of being under the control of a force or influence or abstract power