uneducated vs unlettered

uneducated and unlettered both are adjectives.

Word	Noun	Adjective	Verb	Adverb
uneducated	No	Yes	No	No
unlettered	No	Yes	No	No

uneducated (adjective)	unlettered (adjective)
not having a good education	having little acquaintance with writing
	uneducated in general; lacking knowledge or sophistication