well-grooved vs grooved

well-grooved and grooved both are adjectives.

Word	Noun	Adjective	Verb	Adverb
well-grooved	No	Yes	No	No
grooved	No	Yes	No	No

As adjectives, well-grooved and grooved are synonyms defined as:

well-grooved and grooved: established as if settled into a groove or rut

well-grooved (adjective)	grooved (adjective)
established as if settled into a groove or rut	established as if settled into a groove or rut