stinking vs stinky

stinking and stinky both are adjectives.

Word	Noun	Adjective	Verb	Adverb
stinking	No	Yes	No	No
stinky	No	Yes	No	No

As adjectives, stinking and stinky are synonyms defined as:

Other synonyms of stinking include crappy, icky, lousy, rotten, shitty.

stinking (adjective)	stinky (adjective)
very bad	having an unpleasant smell
offensively malodorous	very bad