burn vs harm

burn and harm both are nouns.

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

As nouns, harm is a hypernym of burn; that is, harm is a word with a broader meaning than burn:

Other hypernyms of burn include damage, hurt, scathe.

As nouns, harm is a hypernym of burn; that is, harm is a word with a broader meaning than burn:

burn: an injury caused by exposure to heat or chemicals or radiation
harm: any physical damage to the body caused by violence or accident or fracture etc.; the condition of an injury

Other hypernyms of burn include hurt, injury, trauma.

burn (noun)	harm (noun)
damage inflicted by fire	the act of damaging something or someone
a place or area that has been burned (especially on a person's body)	the occurrence of a change for the worse
pain that feels hot as if it were on fire	any physical damage to the body caused by violence or accident or fracture etc.; the condition of an injury
an injury caused by exposure to heat or chemicals or radiation

burn (verb)	harm (verb)
get a sunburn by overexposure to the sun	cause or do harm to
undergo combustion
cause to undergo combustion
destroy by fire
damage by burning with heat, fire, or radiation
burn, sear, or freeze (tissue) using a hot iron or electric current or a caustic agent
use up (energy)
create by duplicating data
feel strong emotion, especially anger or passion
cause a sharp or stinging pain or discomfort
feel hot or painful
spend (significant amounts of money)
execute by tying to a stake and setting alight
shine intensely, as if with heat
cause to burn or combust