The word "Incavation" is spelled with the letter combination "-ca-" which is pronounced as /kæ/ in the IPA phonetic transcription. It means the act of carving or hollowing out, often in reference to geological formations. The correct spelling of this word is crucial to ensure clear communication and avoid confusion with similar words. The syllable stress falls on the second syllable, so it is pronounced as /ɪn.kə.ˈveɪ.ʃən/.