unstudied vs uncontrived

unstudied and uncontrived both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unstudied	No	Yes	No	No
uncontrived	No	Yes	No	No

As adjectives, unstudied and uncontrived are synonyms defined as:

unstudied and uncontrived: not by design or artifice; unforced and impromptu

unstudied (adjective)	uncontrived (adjective)
not by design or artifice; unforced and impromptu	not by design or artifice; unforced and impromptu
lacking knowledge gained by study often in a particular field