scapular vs scapula

scapular and scapula both are nouns.

Word	Noun	Adjective	Verb	Adverb
scapular	Yes	Yes	No	No
scapula	Yes	No	No	No

scapular (noun)	scapula (noun)
a feather covering the shoulder of a bird	either of two flat triangular bones one on each side of the shoulder in human beings
garment consisting of a long wide piece of woolen cloth worn over the shoulders with an opening for the head; part of a monastic habit

scapular (adjective)	scapula (adjective)
relating to or near the shoulder blade