resistless vs passive

resistless is not a noun while passive is a noun.

Word	Noun	Adjective	Verb	Adverb
resistless	No	Yes	No	No
passive	Yes	Yes	No	No

resistless (noun)	passive (noun)
	the voice used to indicate that the grammatical subject of the verb is the recipient (not the source) of the action denoted by the verb

resistless (adjective)	passive (adjective)
impossible to resist; overpowering	lacking in energy or will
offering no resistance, passively accepting of a situation	expressing that the subject of the sentence is the patient of the action denoted by the verb
	peacefully resistant in response to injustice