mellifluous vs melodious

mellifluous and melodious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
mellifluous	No	Yes	No	No
melodious	No	Yes	No	No

mellifluous (adjective)	melodious (adjective)
pleasing to the ear	containing or constituting or characterized by pleasing melody
	having a musical sound; especially a pleasing tune