clearheaded vs clear-thinking

clearheaded and clear-thinking both are adjectives.

Word	Noun	Adjective	Verb	Adverb
clearheaded	No	Yes	No	No
clear-thinking	No	Yes	No	No

As adjectives, clearheaded and clear-thinking are synonyms defined as:

clearheaded and clear-thinking: not mentally confused; able to think clearly and act intelligently

clearheaded (adjective)	clear-thinking (adjective)
not mentally confused; able to think clearly and act intelligently	not mentally confused; able to think clearly and act intelligently