trustfulness vs trustingness

trustfulness and trustingness both are nouns.

Word	Noun	Adjective	Verb	Adverb
trustfulness	Yes	No	No	No
trustingness	Yes	No	No	No

As nouns, trustfulness and trustingness are synonyms defined as:

trustfulness and trustingness: the trait of believing in the honesty and reliability of others

Other synonyms of trustfulness include trust.

trustfulness (noun)	trustingness (noun)
the trait of believing in the honesty and reliability of others	the trait of believing in the honesty and reliability of others