IPA: /ɪnˈkɒɡnɪtə/
KK: /ɪnˈkɑɡnɪtə/
A woman or girl whose identity is hidden or not revealed.
The incognita attended the party wearing a mask to keep her identity secret.
Incognita is formed from "in-" (meaning not) and "cognitus" (meaning known). The word refers to something that is not known or is unknown.
Think of 'not known' — 'in-' means not, and 'cognitus' means known. This helps you remember that 'incognita' refers to something that is unknown.
No commonly confused words.