Brønsted acid–base reactions are proton transfer reactions while Lewis acid–base reactions are electron pair transfers.
bɹˈɑːnstᵻd ˈæsɪd bˈeɪs ɹɪˈækʃənz ɑːɹ pɹˈoʊtɑːn tɹˈænsfɜː ɹɪˈækʃənz wˌaɪl lˈuːɪs ˈæsɪd bˈeɪs ɹɪˈækʃənz ɑːɹ ᵻlˈɛktɹɑːn pˈɛɹ tɹˈænsfɜːz.