defencelessness vs defenselessness

defencelessness and defenselessness both are nouns.

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

As nouns, defencelessness and defenselessness are synonyms defined as:

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

Other synonyms of defencelessness include unprotectedness.

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