The spelling of the word "Bostwick" is relatively straight-forward once you understand the phonetic transcription. The word is pronounced /ˈbɑːstwɪk/ and is spelled with the letters B-O-S-T-W-I-C-K. The "o" and "w" sound as they do in the word "boat", while the "i" is pronounced like the "i" in "bit". The "c" and "k" at the end of the word are pronounced separately with a hard "k" sound. Overall, the word "Bostwick" is a simple six-letter word with a relatively easy-to-pronounce phonetic transcription.