villein vs helot

villein and helot both are nouns.

Word	Noun	Adjective	Verb	Adverb
villein	Yes	No	No	No
helot	Yes	No	No	No

As nouns, villein and helot are synonyms defined as:

villein and helot: (Middle Ages) a person who is bound to the land and owned by the feudal lord

Other synonyms of villein include serf.

villein (noun)	helot (noun)
(Middle Ages) a person who is bound to the land and owned by the feudal lord	(Middle Ages) a person who is bound to the land and owned by the feudal lord