The spelling of the word "AVOLAR" can be explained using IPA (International Phonetic Alphabet) phonetic transcription. The word is pronounced as /ævəlɑr/. The first syllable 'a' is pronounced as a short vowel sound /æ/. The next syllable 'vo' is pronounced as /və/, with the 'o' pronounced as a schwa sound. The last syllable 'lar' is pronounced as /lɑr/, with a long 'a' sound. In terms of spelling, the spelling of "AVOLAR" is unique, as it combines elements of the words "aviation" and "polar".