helm vs leadership

helm and leadership both are nouns.

Word	Noun	Adjective	Verb	Adverb
helm	Yes	No	Yes	No
leadership	Yes	No	No	No

As nouns, leadership is a hypernym of helm; that is, leadership is a word with a broader meaning than helm:

Other hypernyms of helm include leading.

helm (noun)	leadership (noun)
(figurative) a position of leadership	the activity of leading
steering mechanism for a vessel; a mechanical device by which a vessel is steered	the ability to lead
	the body of people who lead a group
	the status of a leader

helm (verb)	leadership (verb)
be at or take the helm of