The spelling of the word "bellah" can vary due to its origin and pronunciation. In American English, it may be spelled as "bella" or "belle" with the long "e" sound, while in British English it may be spelled with a short "e" sound as "belah." The IPA phonetic transcription for the word is /ˈbɛlə/, indicating the short "e" sound followed by a schwa. It is important to understand the origin and pronunciation of a word to determine the appropriate spelling.