mellifluous vs dulcet

mellifluous and dulcet both are adjectives.

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

As adjectives, mellifluous and dulcet are synonyms defined as:

Other synonyms of mellifluous include honeyed, mellisonant, sweet.

mellifluous (adjective)	dulcet (adjective)
pleasing to the ear	pleasing to the ear
	extremely pleasant in a gentle way