thralldom vs thrall

thralldom and thrall both are nouns.

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

As nouns, thralldom and thrall are synonyms defined as:

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

Other synonyms of thralldom include bondage, slavery, thraldom.

thralldom (noun)	thrall (noun)
the state of being under the control of another person	someone held in bondage
	the state of being under the control of another person