manliness vs manfulness

manliness and manfulness both are nouns.

Word	Noun	Adjective	Verb	Adverb
manliness	Yes	No	No	No
manfulness	Yes	No	No	No

As nouns, manliness and manfulness are synonyms defined as:

manliness and manfulness: the trait of being manly; having the characteristics of an adult male

Other synonyms of manliness include virility.

manliness (noun)	manfulness (noun)
the trait of being manly; having the characteristics of an adult male	the trait of being manly; having the characteristics of an adult male