nuance

As nouns the difference between nuance and song

is that nuance is a minor distinction while song is a musical composition with lyrics for voice or voices, performed by singing.

As a proper noun Song is

a former dynasty in China, reigning from the end of the Five Dynasties and Ten Kingdoms to the beginning of the Yuan.

As a noun inflection

is (grammar) a change in the form of a word that reflects a change in grammatical function.

As a verb nuance is

.

As an adjective nuance is

nuanced.