As nouns the difference between euphemism and euphony
is that euphemism is (uncountable) the use of a word or phrase to replace another with one that is considered less offensive, blunt or vulgar than the word or phrase it replaces while euphony is a pronunciation of letters and syllables which is pleasing to the ear.
Is that a euphemism meaning?
: the substitution of an agreeable or inoffensive expression for one that may offend or suggest something unpleasant also : the expression so substituted.
What euphony means?
1 : pleasing or sweet sound especially : the acoustic effect produced by words so formed or combined as to please the ear. 2 : a harmonious succession of words having a pleasing sound.