The spelling of the word "un builds" can be broken down with IPA phonetic transcription. The "un" prefix is pronounced as /ʌn/, meaning "not or opposite of". The main word "builds" is pronounced as /bɪlds/, with a short "i" sound and a voiced "d" at the end. Together, "un builds" means to dismantle or take apart a previously constructed object or structure. It's important to correctly spell the word to avoid any confusion or misinterpretation.