defencelessness vs unprotectedness

defencelessness and unprotectedness both are nouns.

Word	Noun	Adjective	Verb	Adverb
defencelessness	Yes	No	No	No
unprotectedness	Yes	No	No	No

As nouns, defencelessness and unprotectedness are synonyms defined as:

defencelessness and unprotectedness: the property of being helpless in the face of attack

Other synonyms of defencelessness include defenselessness.

defencelessness (noun)	unprotectedness (noun)
the property of being helpless in the face of attack	the property of being helpless in the face of attack