fluidness

noun

1
a changeable quality
a charming Oriental fluidity of manner
a certain fluidness in his perception of time made him an unpredictable colleague
2
the property of flowing easily
adding lead makes the alloy easier to cast because the melting point is reduced and the fluidity is increased
they believe that fluidity increases as the water gets warmer

Also useful for “fluidness”:Unscrambler— Rearrange the letters in “fluidness”