Although alcohols and amines can be Brønsted–Lowry acids, they can also function as Lewis bases due to the lone pairs of electrons on their oxygen and nitrogen atoms.
ɔːlðˈoʊ ˈælkəhˌɑːlz ænd ˈæmaɪnz kæn biː bɹˈɑːnstᵻd lˈoʊɹi ˈæsɪdz, ðeɪ kæn ˈɔːlsoʊ fˈʌŋkʃən æz lˈuːɪs bˈeɪsᵻz dˈuː tə ðə lˈoʊn pˈɛɹz ʌv ᵻlˈɛktɹɑːnz ˌɔn ðɛɹ ˈɑːksɪdʒən ænd nˈaɪtɹədʒən ˈæɾəmz.