orientation vs predilection

orientation and predilection both are nouns.

Word	Noun	Adjective	Verb	Adverb
orientation	Yes	No	No	No
predilection	Yes	No	No	No

As nouns, orientation and predilection are synonyms defined as:

Other synonyms of orientation include preference.

orientation (noun)	predilection (noun)
the act of orienting	a predisposition in favor of something
a course introducing a new situation or environment	a strong liking
an integrated set of attitudes and beliefs
a person's awareness of self with regard to position and time and place and personal relationships
a predisposition in favor of something
position or alignment relative to points of the compass or other specific directions