inquiry [inquiries]noun [UK: ɪn.ˈkwaɪə.ri] [US: ˌɪn.ˈkwaɪ.ri]We need to make inquiries about the date of the examination. = Dobbiamo fare indagini circa la data dell'esame.
research [researches](piece of research) noun [UK: rɪ.ˈsɜːtʃ] [US: ri.ˈsɝːtʃ]