reservoir [reservoirs]+◼◼◼noun[UK: ˈre.zəv.wɑː(r)] [US: ˈre.zəˌv.wɑːr]
water tank+◼◼◻noun[UK: ˈwɔː.tə(r) tæŋk] [US: ˈwɒ.tər ˈtæŋk]
aquifer [aquifers]+◼◼◻noun[UK: ˈæ.kwɪ.fə(r)] [US: ˈæ.kwə.fər]
keep [keeps]+noun[UK: kiːp] [US: ˈkiːp]
forebay+noun
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