sticky vs gummy

sticky and gummy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sticky	No	Yes	No	No
gummy	No	Yes	No	No

As adjectives, sticky and gummy are synonyms defined as:

Other synonyms of sticky include gluey, glutinous, mucilaginous, pasty, viscid, viscous.

sticky (adjective)	gummy (adjective)
having the sticky properties of an adhesive	having the sticky properties of an adhesive
hard to deal with; especially causing pain or embarrassment	covered with adhesive gum
covered with an adhesive material
hot or warm and humid
moist as with undried perspiration and with clothing sticking to the body