velum vs soft palate

velum and soft palate both are nouns.

Word	Noun	Adjective	Verb	Adverb
velum	Yes	No	No	No
soft palate	Yes	No	No	No

As nouns, velum and soft palate are synonyms defined as:

velum and soft palate: a muscular flap that closes off the nasopharynx during swallowing or speaking

velum (noun)	soft palate (noun)
a muscular flap that closes off the nasopharynx during swallowing or speaking	a muscular flap that closes off the nasopharynx during swallowing or speaking
a membranous covering attached to the immature fruiting body of certain mushrooms