The word "Raoule" is a French surname that is spelled /ʁa.ul/. The first sound /ʁ/ is the French "r" sound, which is produced by vibrating the back of the tongue. The second sound /a/ is a mid-open back vowel, similar to the "a" in "father". The third sound /u/ is a close back rounded vowel, like the "oo" in "food". The fourth sound /l/ is the same as in English. Together, these sounds create the unique spelling of "Raoule".