equanimous vs self-contained

equanimous and self-contained both are adjectives.

Word	Noun	Adjective	Verb	Adverb
equanimous	No	Yes	No	No
self-contained	No	Yes	No	No

As adjectives, equanimous and self-contained are synonyms defined as:

Other synonyms of equanimous include collected, poised, self-collected, self-possessed.

equanimous (adjective)	self-contained (adjective)
in full control of your faculties	constituting a complete and independent unit in and of itself
	in full control of your faculties