"Fluctisonous" Natural Recordings by Native Speakers
I'm afraid there is no such word as "fluctisonous". It's possible that you meant "fluctuating", which means changing frequently and unpredictably, often in a back-and-forth manner.
Flubbing is a verb that means to make a mistake or botch a task, especially in a clumsy or awkward way. It can also mean to speak or pronounce something incorrectly, often with a mistake in pronunciation or syntax.
Fluconazole is an antifungal medication, often used to treat a variety of fungal infections such as candidiasis, thrush, and vaginal yeast infections. It is also commonly used to treat cryptococcal meningitis, a rare but serious infection that causes inflammation of the protective membranes around the brain and spinal cord.