harmless vs benignant

harmless and benignant both are adjectives.

Word	Noun	Adjective	Verb	Adverb
harmless	No	Yes	No	No
benignant	No	Yes	No	No

harmless (adjective)	benignant (adjective)
not causing or capable of causing harm	pleasant and beneficial in nature or influence
	characterized by kindness and warm courtesy especially of a king to his subjects