harm vs damage

harm and damage both are nouns.

Word	Noun	Adjective	Verb	Adverb
harm	Yes	No	Yes	No
damage	Yes	No	Yes	No

As nouns, harm and damage are synonyms defined as:

Other synonyms of harm include hurt, scathe.

As nouns, harm and damage are synonyms defined as:

Other synonyms of harm include impairment.

harm (noun)	damage (noun)
the act of damaging something or someone	the act of damaging something or someone
the occurrence of a change for the worse	any harm or injury resulting from a violation of a legal right
any physical damage to the body caused by violence or accident or fracture etc.; the condition of an injury	the occurrence of a change for the worse
	loss of military equipment
	the amount of money needed to purchase something

harm (verb)	damage (verb)
cause or do harm to	inflict damage upon
	suffer or be susceptible to damage