The word "knappy" is an uncommon spelling of the word "knappy," which is commonly spelled as "nappy." The IPA phonetic transcription of the word "knappy" is /næpi/. The initial "k" sound is not typically pronounced in this word, but may have been added due to dialectical variations or personal preference. The word "nappy" is commonly used to refer to kinky or tightly curled hair, particularly within the African-American community.