The word "kost" is a Norwegian term that refers to the rib bones of an animal. It is pronounced as /kʊst/ in IPA phonetic transcription, with the first syllable rhyming with "good" and the second syllable sounding like "st" in "cost." The "o" is pronounced as a short u sound like in "cut," while the "s" is pronounced as a voiceless consonant. Overall, the spelling of "kost" follows Norwegian orthography rules and represents the sounds of the word accurately.