The word "bayplan" can be spelled using the International Phonetic Alphabet as /beɪplæn/. This word refers to a plan or strategy for the development or use of a bay. The first syllable "bay" is pronounced as "beɪ" which is a long vowel sound followed by the consonant "p" and the second syllable "plan" which is pronounced as "plæn". Correct spelling and pronunciation of words is crucial as it prevents misunderstandings and ensures effective communication.