axis vs axial

axis is a noun but axial is not a noun.

Word	Noun	Adjective	Verb	Adverb
axis	Yes	No	No	No
axial	No	Yes	No	No

axis (noun)	axial (noun)
the center around which something rotates
the 2nd cervical vertebra; serves as a pivot for turning the head
a straight line through a body or figure that satisfies certain conditions
a group of countries in special alliance
the main stem or central part about which plant organs or plant parts such as branches are arranged

axis (adjective)	axial (adjective)
	of or relating to or resembling an axis of rotation
	relating to or attached to the axis
	situated on or along or in the direction of an axis