erroneously /ɛɹˈoʊniəsli/ /ɛɹˈəʊniəsli/
by mistake /baɪ mɪsˈteɪk/ /baɪ mɪsˈteɪk/
incorrectly /ɪnkəˈrɛktli/ /ˌɪnkəˈrɛktli/