set down vs alight

set down is not an adjective while alight is an adjective.

Word	Noun	Adjective	Verb	Adverb
set down	No	No	Yes	No
alight	No	Yes	Yes	No

As verbs, alight is a hyponym of set down; that is, alight is a word with a more specific, narrower meaning than set down:

set down (adjective)	alight (adjective)
	lighted up by or as by fire or flame

set down (verb)	alight (verb)
put down in writing; of texts, musical compositions, etc.	come down
remove (cargo, people, etc.) from and leave	to come to rest, settle
put or settle into a position
cause to sit or seat or be in a settled position or place
go ashore
reach or come to rest