examen vs introspection

examen and introspection both are nouns.

Word	Noun	Adjective	Verb	Adverb
examen	Yes	No	No	No
introspection	Yes	No	No	No

As nouns, introspection is a hypernym of examen; that is, introspection is a word with a broader meaning than examen:

examen: a detailed inspection of your conscience (as done daily by Jesuits)
introspection: the contemplation of your own thoughts and desires and conduct

Other hypernyms of examen include self-contemplation, self-examination.

examen (noun)	introspection (noun)
a detailed inspection of your conscience (as done daily by Jesuits)	the contemplation of your own thoughts and desires and conduct
a critical study (as of a writer's work)