The correct answer is: D. Dulcet : Euphony
Mellifluous means “sweetly or smoothly flowing or sounding.” Cacophony means “harsh, discordant, or unharmonious sound.”
Florid means “characterized by an elaborate or ornate style.” Embellishment means “the act of making something more attractive or impressive by adding extra details.”
Frugal means “not spending or using more money, time, or resources than is necessary.” Parsimony means “excessive thrift or unwillingness to spend money.”
Dulcet means “sweet or pleasing to the ear.” Euphony means “a pleasing or harmonious sound.”
The relationship between melliflous and cacophony is that melliflous is the opposite of cacophony. Melliflous is a word that describes something that is sweet or pleasing to the ear, while cacophony is a word that describes something that is harsh, discordant, or unharmonious.
The relationship between florid and embellishment is that florid is a word that describes something that is elaborate or ornate, while embellishment is a word that describes the act of making something more attractive or impressive by adding extra details.
The relationship between frugal and parsimony is that frugal is a word that describes someone who is not spending or using more money, time, or resources than is necessary, while parsimony is a word that describes excessive thrift or unwillingness to spend money.
The relationship between dulcet and euphony is that dulcet is a word that describes something that is sweet or pleasing to the ear, while euphony is a word that describes a pleasing or harmonious sound.
Therefore, the lettered pair that has the same relationship as the original pair of words is D. Dulcet : Euphony.