Decimate is a word with ten letter that means fun to play with.
I think it is exhibition
The word 'Tenfold' quite simply means ten times. Or, in a way that increases by ten. Or in mathematics, composed of ten parts, or equal to or having ten times as many.
The ten-letter word for letters that are not vowels is consonants.
A ten letter word for something that occurs could be an occurrence or happenings.
c for commission
The word could be disarrayed, disordered, disorderly, or disheveled.
A ten letter word that starts with the letter S and ends with the letter E, pertaining to personal finance would be settleable. Settable means to arrange and put in order, or to establish.
The letters spell the word conundrums. It means a confusing and difficult problem or question.