rocky vs stony

rocky and stony both are adjectives.

Word	Noun	Adjective	Verb	Adverb
rocky	No	Yes	No	No
stony	No	Yes	No	No

As adjectives, rocky and stony are synonyms defined as:

Other synonyms of rocky include bouldered, bouldery.

rocky (adjective)	stony (adjective)
causing or characterized by jolts and irregular movements	hard as granite
full of hardship or trials	showing unfeeling resistance to tender feelings
abounding in rocks or stones	abounding in rocks or stones
liable to rock