ladder vs harm

ladder and harm both are nouns.

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

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

Other hypernyms of ladder include damage, impairment.

ladder (noun)	harm (noun)
steps consisting of two parallel members connected by rungs; for climbing up or down	the act of damaging something or someone
a row of unravelled stitches	the occurrence of a change for the worse
ascending stages by which somebody or something can progress	any physical damage to the body caused by violence or accident or fracture etc.; the condition of an injury

ladder (verb)	harm (verb)
come unraveled or undone as if by snagging	cause or do harm to