soi-disant vs self-styled

soi-disant and self-styled both are adjectives.

Word	Noun	Adjective	Verb	Adverb
soi-disant	No	Yes	No	No
self-styled	No	Yes	No	No

As adjectives, soi-disant and self-styled are synonyms defined as:

soi-disant and self-styled: as claimed by and for yourself often without justification

soi-disant (adjective)	self-styled (adjective)
as claimed by and for yourself often without justification	as claimed by and for yourself often without justification