If you're looking for a word with a similar sound or meaning, here are some possibilities:
* Fluency: A state of being able to speak or write easily and smoothly.
* Confidence: A feeling of self-assurance arising from an appreciation of one's own abilities or qualities.
* Abundance: A very large quantity of something.
It's important to note that words can be invented for creative purposes, such as in literature or games. If you heard "flubadence" used in a specific context, you may need to look for clues within that context to understand its intended meaning.