well-set vs well-knit

well-set and well-knit both are adjectives.

Word	Noun	Adjective	Verb	Adverb
well-set	No	Yes	No	No
well-knit	No	Yes	No	No

As adjectives, well-set and well-knit are synonyms defined as:

well-set (adjective)	well-knit (adjective)
strongly and firmly constructed	strongly and firmly constructed