“FLOCCULUS” is a valid word.

focusthe concentration of attention or energy on something
sculla long oar that is mounted at the stern of a boat and moved left and right to propel the boat forward
foulsan act that violates the rules of a sport
locusthe scene of any event or action (especially the place of a meeting)
cullsthe person or thing that is rejected or set aside as inferior in quality
lulusa very attractive or seductive looking woman
fullsthe time when the Moon is fully illuminated
flocsa small loosely aggregated mass of flocculent material suspended in or precipitated from a liquid
fucusany member of the genus Fucus
sulfo

fullthe time when the Moon is fully illuminated
soulthe immaterial part of a person; the actuating cause of an individual life
foulan act that violates the rules of a sport
lulua very attractive or seductive looking woman
sulu
cullthe person or thing that is rejected or set aside as inferior in quality
flusan acute febrile highly contagious viral disease
colsa pass between mountain peaks
ulus
floca small loosely aggregated mass of flocculent material suspended in or precipitated from a liquid

cosratio of the adjacent side to the hypotenuse of a right-angled triangle
fluan acute febrile highly contagious viral disease
sola colloid that has a continuous liquid phase in which a solid is suspended in a liquid
cola pass between mountain peaks
soua former French coin of low denomination; often used of any small amount of money
fou
ulu

of
sothe syllable naming the fifth (dominant) note of any musical scale in solmization
usNorth American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
lo
osa mouth or mouthlike opening

FLOCCULUS