orientation vs perpendicular

orientation and perpendicular both are nouns.

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

orientation (noun)	perpendicular (noun)
the act of orienting	an extremely steep face
a course introducing a new situation or environment	a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point
an integrated set of attitudes and beliefs	a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting
a person's awareness of self with regard to position and time and place and personal relationships	a straight line at right angles to another line
a predisposition in favor of something
position or alignment relative to points of the compass or other specific directions

orientation (adjective)	perpendicular (adjective)
	intersecting at or forming right angles
	at right angles to the plane of the horizon or a base line
	so steep as to be nearly vertical