chin vs gymnastic exercise

chin and gymnastic exercise both are nouns.

Word	Noun	Adjective	Verb	Adverb
chin	Yes	No	Yes	No
gymnastic exercise	Yes	No	No	No

chin (noun)	gymnastic exercise (noun)
the protruding part of the lower jaw	(gymnastics) an exercise designed to develop and display strength and agility and balance (usually performed with or on some gymnastic apparatus)
	a sport that involves exercises intended to display strength and balance and agility

chin (verb)	gymnastic exercise (verb)
raise oneself while hanging from one's hands until one's chin is level with the support bar