The word "lineback" is often misspelled as "linebacker". However, the correct spelling is "lineback". The IPA phonetic transcription for this word is /laɪn.bæk/. The "e" at the end is silent, hence the pronunciation of the word is "lineback". The word refers to a position in American football, which is played by a linebacker. Remembering the correct spelling of the word will prevent confusion and help in effective communication.