hypercorrection
Concise Oxford English Dictionary © 2008 Oxford University Press:
hypercorrection/hʌɪpəkəˈrekʃn/
▶noun the use of an erroneous word form or pronunciation based on a false analogy with a correct or prestigious form, such as the use of I in he invited my husband and I to lunch.
– derivatives
hypercorrect adjective.
hypercorrect adjective.
'hypercorrection' also found in these Oxford entries:

