knotty vs knotted

knotty and knotted both are adjectives.

Word	Noun	Adjective	Verb	Adverb
knotty	No	Yes	No	No
knotted	No	Yes	No	No

As adjectives, knotty and knotted are synonyms defined as:

knotty and knotted: used of old persons or old trees; covered with knobs or knots

Other synonyms of knotty include gnarled, gnarly, knobbed.

knotty (adjective)	knotted (adjective)
highly complex or intricate and occasionally devious	used of old persons or old trees; covered with knobs or knots
used of old persons or old trees; covered with knobs or knots	tied with a knot
making great mental demands; hard to comprehend or solve or believe
tangled in knots or snarls