unseasoned vs untested

unseasoned and untested both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unseasoned	No	Yes	No	No
untested	No	Yes	No	No

As adjectives, unseasoned and untested are synonyms defined as:

Other synonyms of unseasoned include untried, young.

unseasoned (adjective)	untested (adjective)
not aged or processed	not tried or tested by experience
not tried or tested by experience	not yet proved or subjected to testing
without salt or seasoning