orientation vs orientation course

orientation and orientation course both are nouns.

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

As nouns, orientation and orientation course are synonyms defined as:

orientation and orientation course: a course introducing a new situation or environment

orientation (noun)	orientation course (noun)
the act of orienting	a course introducing a new situation or environment
a course introducing a new situation or environment
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