direction vs bearing

direction and bearing both are nouns.

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

As nouns, bearing is a hyponym of direction; that is, bearing is a word with a more specific, narrower meaning than direction:

direction: a line leading to a place or point
bearing: the direction or path along which something moves or along which it lies

Other hyponyms of direction include aim, heading, course, trend, east-west direction, north-south direction, qibla, tendency, trend.

direction (noun)	bearing (noun)
the act of managing something	a rotating support placed between moving parts to allow them to move easily
the act of setting and holding a course	heraldry consisting of a design or image depicted on a shield
a general course along which something has a tendency to develop	dignified manner or conduct
the concentration of attention or energy on something	characteristic way of bearing one's body
something that provides direction or advice as to a decision or course of action	the direction or path along which something moves or along which it lies
a formal statement of a command or injunction to do something	relevant relation or interconnection
a message describing how something is to be done
a line leading to a place or point
the spatial relation between something and the course along which it points or moves

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