The word "FIERS" is often misspelled, as it is actually spelled with a double "R" - "FIERRS". This word is pronounced as /ˈfiɛɹz/ in IPA phonetic transcription. The first syllable "FI-" is pronounced as "fee", while the second syllable "-ERRS" sounds like "errs". Thus, the correct spelling of this word is crucial to ensure proper pronunciation. Remember to always double-check the spelling of tricky words like "FIERRS" to avoid any confusion or mistakes.