The word "knaebel" is an incorrect spelling of the German word "knäbel", which means "knob" or "button". The correct spelling includes an umlaut over the "a" in "knäbel", which changes its sound to /ɛ/. The IPA transcription for "knäbel" is /ˈknɛbəl/. It is important to use correct spellings in order to communicate clearly and avoid misunderstandings. In this case, using the correct spelling of "knäbel" would result in better understanding of the meaning of the word.