The word "rebuildings" is spelled with the prefix "re-" which means "again" or "back," followed by the noun form of "building." The IPA phonetic transcription for this word is /riːˈbɪldɪŋz/. The stress is on the second syllable, which is pronounced with a long "ee" sound. The final syllable is pronounced with a "z" sound due to the plural form of the noun. "Rebuildings" refers to the act of repairing or constructing structures that have been damaged or destroyed.
The word "rebuildings" is actually not a recognized English word. If you meant to ask about the etymology of the word "rebuilding", it comes from the Old English word "rebuilian", which is a combination of the prefix "re-" (meaning again) and "byldan" (meaning to build). Over time, the word transformed into "rebuild", and the present participle form "rebuilding" developed.