tortuous vs knotty

tortuous and knotty both are adjectives.

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

As adjectives, tortuous and knotty are synonyms defined as:

tortuous and knotty: highly complex or intricate and occasionally devious

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

tortuous (adjective)	knotty (adjective)
highly complex or intricate and occasionally devious	highly complex or intricate and occasionally devious
marked by repeated turns and bends	used of old persons or old trees; covered with knobs or knots
not straightforward	making great mental demands; hard to comprehend or solve or believe
	tangled in knots or snarls