Coosje is a Dutch girl's name pronounced as 'koh-shee' in IPA phonetic transcription. The spelling of the word is a result of the Dutch language's unique pronunciation rules. In Dutch, 'oo' sounds like the English 'oh', and the combination 'sj' is pronounced as 'sh'. The letter 'e' at the end is silent. Therefore, the spelling of Coosje represents the Dutch pronunciation accurately. It is a common name in the Netherlands, and its popularity has even spread to other countries.