ham-handedness vs slowness

ham-handedness and slowness both are nouns.

Word	Noun	Adjective	Verb	Adverb
ham-handedness	Yes	No	No	No
slowness	Yes	No	No	No

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

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

Other hypernyms of ham-handedness include awkwardness, clumsiness, ineptitude, ineptness, maladroitness.

ham-handedness (noun)	slowness (noun)
The property of being clumsy and awkward, and thus excessive.	a rate demonstrating an absence of haste or hurry
	lack of normal development of intellectual capacities
	unskillfulness resulting from a lack of training