cilium vs ciliary

cilium is a noun but ciliary is not a noun.

Word	Noun	Adjective	Verb	Adverb
cilium	Yes	No	No	No
ciliary	No	Yes	No	No

cilium (noun)	ciliary (noun)
a hairlike projection from the surface of a cell; provides locomotion in free-swimming unicellular organisms
any of the short curved hairs that grow from the edges of the eyelids

cilium (adjective)	ciliary (adjective)
	relating to the ciliary body and associated structures of the eye
	of or relating to cilia projecting from the surface of a cell
	of or relating to the human eyelash