No.
clumsiness is harmful for life
My own clumsiness caused my fall down the stairs.
Clumsiness has three syllables. The syllables are clum-si-ness.
Yes
Gracefulness.
ditzy ditzy
she hates herself
Gerald Ford.
Uncoordinated; lacking dexterity and grace.
Due to her clumsiness, she spilled her coffee all over her papers.
The noun form of the adjective 'clumsy' is clumsiness.
No, homework does not need a capital letter unless it is the first word of a sentence.