ham-fistedness vs ineptitude

ham-fistedness and ineptitude both are nouns.

Word	Noun	Adjective	Verb	Adverb
ham-fistedness	Yes	No	No	No
ineptitude	Yes	No	No	No

As nouns, ineptitude is a hypernym of ham-fistedness; that is, ineptitude is a word with a broader meaning than ham-fistedness:

ham-fistedness: The property of being clumsy and awkward, and thus excessive.
ineptitude: unskillfulness resulting from a lack of training

Other hypernyms of ham-fistedness include awkwardness, clumsiness, ineptness, maladroitness, slowness.

ham-fistedness (noun)	ineptitude (noun)
The property of being clumsy and awkward, and thus excessive.	having no qualities that would render it valuable or useful
	unskillfulness resulting from a lack of training