The spelling of the word "WESTKHARKOV" can be explained using the International Phonetic Alphabet (IPA). The first sound is /w/, which is followed by /ɛ/ and /s/, representing the "es" sound in English. The next two syllables are /tʃɑr/ and /kɔf/, which represent the "ch" and "o" sounds, respectively. The final two sounds are /v/ and /k/, which make up the "kov" ending. In summary, "WESTKHARKOV" is spelled using /wɛstk̚tʃɑrkɔf/ according to IPA.