The spelling of the word "Fatner" is incorrect. The correct spelling of this word is "Fattener," which means an animal or substance that promotes weight gain. The word is pronounced as /ˈfætnər/ with the stress on the first syllable. The IPA phonetic transcription of this word includes the consonant sound /t/ followed by a syllabic /n/ sound, represented as /nt/. This helps to accurately represent the pronunciation of the word and ensure proper spelling.