defenselessness vs defencelessness

defenselessness and defencelessness both are nouns.

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

As nouns, defenselessness and defencelessness are synonyms defined as:

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

Other synonyms of defenselessness include unprotectedness.

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