self-satisfaction vs complacency

self-satisfaction and complacency both are nouns.

Word	Noun	Adjective	Verb	Adverb
self-satisfaction	Yes	No	No	No
complacency	Yes	No	No	No

As nouns, self-satisfaction and complacency are synonyms defined as:

self-satisfaction and complacency: the feeling you have when you are satisfied with yourself

Other synonyms of self-satisfaction include complacence, self-complacency.

self-satisfaction (noun)	complacency (noun)
the feeling you have when you are satisfied with yourself	the feeling you have when you are satisfied with yourself