soft a

noun1

1. •
   (US, informal) The schwa at the end of the African-American Vernacular English word nigga, as contrasted with the hard r at the end of the word nigger when spoken with a General American accent (which is considered very offensive).

   • First and foremost / You are under no circumstances / Ever permitted / To say the n-word / I don't care if it's soft a or hard r — 2016