The spelling of the word "roxxi" is unique and not commonly used in the English language. It is pronounced as /rɑksi/. The characters "xx" are used to represent a double consonant sound, specifically the sound /ks/. The letter "i" at the end is used as a vowel sound, pronounced as /i/. The use of non-standard or creative spelling in words like "roxxi" is becoming increasingly popular among brands and marketing campaigns to create distinctive brand names.