IPA: //flæmˈbɔɪənsi//
KK: /flæmˈbɔɪənsi/
The quality of being very noticeable, colorful, and exciting in style or behavior.
Her flamboyancy made her the center of attention at the party.
Flamboyancy → It is formed from "flamboyant" (from French *flamboyant*, meaning blazing or flaming) and the suffix "-cy" (meaning the state or condition of). The word "flamboyancy" refers to the state of being flamboyant or showy, often in a striking or ostentatious manner.
Think of something that is 'blazing' or 'flaming' ('flamboyant') and how that relates to a state of being showy or extravagant.
No commonly confused words.