velar vs velum

velar and velum both are nouns.

Word	Noun	Adjective	Verb	Adverb
velar	Yes	Yes	No	No
velum	Yes	No	No	No

velar (noun)	velum (noun)
a consonant produced with the back of the tongue touching or near the soft palate	a muscular flap that closes off the nasopharynx during swallowing or speaking
	a membranous covering attached to the immature fruiting body of certain mushrooms

velar (adjective)	velum (adjective)
of or relating to the velum
produced with the back of the tongue touching or near the soft palate (as `k' in `cat' and `g' in `gun' and `ng' in `sing')