misunderstanding [misunderstandings]◼◼◼(mistake) noun [UK: ˌmɪs.ˌʌn.də.ˈstænd.ɪŋ] [US: ˌmɪ.sən.dər.ˈstænd.ɪŋ]It's a misunderstanding. = C'est un quiproquo.
quid pro quo [quid pro quos]◼◼◻(something understood as another) noun [UK: ˈkwɪd.prəʊ.ˈkwəʊ] [US: ˈkwɪd.prəʊ.ˈkwəʊ]
equivocation [equivocations](Expression susceptible of a double signification, possibly misleading) noun [UK: ɪ.ˌkwɪ.vəˈk.eɪʃ.n̩] [US: ɪ.kwɪ.vəˈk.eɪʃ.n̩]