healthy vs level-headed

healthy and level-headed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
healthy	No	Yes	No	No
level-headed	No	Yes	No	No

As adjectives, healthy and level-headed are synonyms defined as:

Other synonyms of healthy include intelligent, levelheaded, sound.

healthy (adjective)	level-headed (adjective)
having or indicating good health in body or mind; free from infirmity or disease	exercising or showing good judgment
large in amount or extent or degree
exercising or showing good judgment
financially secure and functioning well
promoting health; healthful