pusillanimity vs fearfulness

pusillanimity and fearfulness both are nouns.

Word	Noun	Adjective	Verb	Adverb
pusillanimity	Yes	No	No	No
fearfulness	Yes	No	No	No

As nouns, fearfulness is a hypernym of pusillanimity; that is, fearfulness is a word with a broader meaning than pusillanimity:

pusillanimity (noun)	fearfulness (noun)
contemptible fearfulness	the trait of being afraid
	an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)