bearing vs comportment

bearing and comportment both are nouns.

Word	Noun	Adjective	Verb	Adverb
bearing	Yes	Yes	No	No
comportment	Yes	No	No	No

As nouns, bearing and comportment are synonyms defined as:

Other synonyms of bearing include mien, presence.

bearing (noun)	comportment (noun)
a rotating support placed between moving parts to allow them to move easily	dignified manner or conduct
heraldry consisting of a design or image depicted on a shield
dignified manner or conduct
characteristic way of bearing one's body
the direction or path along which something moves or along which it lies
relevant relation or interconnection

bearing (adjective)	comportment (adjective)
(of a structural member) withstanding a weight or strain