involved vs knotty

involved and knotty both are adjectives.

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

As adjectives, involved and knotty are synonyms defined as:

involved and knotty: highly complex or intricate and occasionally devious

Other synonyms of involved include Byzantine, convoluted, labyrinthine, tangled, tortuous.

involved (adjective)	knotty (adjective)
connected by participation or association or use	highly complex or intricate and occasionally devious
emotionally involved	used of old persons or old trees; covered with knobs or knots
highly complex or intricate and occasionally devious	making great mental demands; hard to comprehend or solve or believe
enveloped	tangled in knots or snarls
entangled or hindered as if e.g. in mire