knotty vs tortuous

knotty and tortuous both are adjectives.

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

As adjectives, knotty and tortuous are synonyms defined as:

knotty and tortuous: highly complex or intricate and occasionally devious

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

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