thorny vs spiny

thorny and spiny both are adjectives.

Word	Noun	Adjective	Verb	Adverb
thorny	No	Yes	No	No
spiny	No	Yes	No	No

As adjectives, thorny and spiny are synonyms defined as:

thorny and spiny: having or covered with protective barbs or quills or spines or thorns or setae etc.

Other synonyms of thorny include barbed, barbellate, briary, briery, bristled, bristly, burred, burry, prickly, setaceous, setose.

thorny (adjective)	spiny (adjective)
having or covered with protective barbs or quills or spines or thorns or setae etc.	having spines
bristling with perplexities	having or covered with protective barbs or quills or spines or thorns or setae etc.