familiarise vs orient

familiarise is not a noun while orient is a noun.

Word	Noun	Adjective	Verb	Adverb
familiarise	No	No	Yes	No
orient	Yes	No	Yes	No

As verbs, orient is a hyponym of familiarise; that is, orient is a word with a more specific, narrower meaning than familiarise:

Other hyponyms of familiarise include verse, get into.

familiarise (noun)	orient (noun)
	the hemisphere that includes Eurasia and Africa and Australia

familiarise (verb)	orient (verb)
make familiar or conversant with	adjust to a specific need or market
	familiarize (someone) with new surroundings or circumstances
	determine one's position with reference to another point
	be oriented
	cause to point