thraldom vs slavery

thraldom and slavery both are nouns.

Word	Noun	Adjective	Verb	Adverb
thraldom	Yes	No	No	No
slavery	Yes	No	No	No

As nouns, thraldom and slavery are synonyms defined as:

thraldom and slavery: the state of being under the control of another person

Other synonyms of thraldom include bondage, thrall, thralldom.

thraldom (noun)	slavery (noun)
the state of being under the control of another person	work done under harsh conditions for little or no pay
	the practice of owning slaves
	the state of being under the control of another person