intelligent vs precocious

intelligent and precocious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
intelligent	No	Yes	No	No
precocious	No	Yes	No	No

intelligent (adjective)	precocious (adjective)
having the capacity for thought and reason especially to a high degree	characterized by or characteristic of exceptionally early development or maturity (especially in mental aptitude)
endowed with the capacity to reason	appearing or developing early
exercising or showing good judgment
possessing sound knowledge