The spelling of the word "CARUE" can be explained using the International Phonetic Alphabet (IPA) transcription. The first sound is /k/, which represents the hard sound produced by the back of the tongue against the roof of the mouth. The next sound is /ə/, which is the schwa sound, produced by the tongue in a neutral position. The third sound is /r/, which represents the trilled or rolled "R" sound, produced by vibrating the tongue against the roof of the mouth. The last sound is /juː/, which is the sound of the "U" or "OO" vowel followed by the "Y" consonant sound.