knotty vs baffling

knotty and baffling both are adjectives.

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

As adjectives, knotty and baffling are synonyms defined as:

knotty and baffling: making great mental demands; hard to comprehend or solve or believe

Other synonyms of knotty include elusive, problematic, problematical, tough.

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