The spelling 'niggerhead' has sparked controversy due to its offensive history and the racial connotations associated with it. The word consists of two parts: 'nigger' and 'head'. The first part, 'nigger', is pronounced /ˈnɪɡər/ and is a derogatory term for black people. The second part, 'head', is pronounced /hɛd/ and refers to the top part of the body that contains the brain. While the spelling of this word may be phonetically accurate, it is not appropriate to use due to its offensive nature.