horse vs gymnastic apparatus

horse and gymnastic apparatus both are nouns.

Word	Noun	Adjective	Verb	Adverb
horse	Yes	No	Yes	No
gymnastic apparatus	Yes	No	No	No

As nouns, gymnastic apparatus is a hypernym of horse; that is, gymnastic apparatus is a word with a broader meaning than horse:

Other hypernyms of horse include exerciser.

horse (noun)	gymnastic apparatus (noun)
solid-hoofed herbivorous quadruped domesticated since prehistoric times	sports equipment used in gymnastic exercises
a chessman shaped to resemble the head of a horse; can move two squares horizontally and one vertically (or vice versa)
a framework for holding wood that is being sawed
a padded gymnastic apparatus on legs
troops trained to fight on horseback

horse (verb)	gymnastic apparatus (verb)
provide with a horse or horses