leadership vs helm

leadership and helm both are nouns.

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

As nouns, helm is a hyponym of leadership; that is, helm is a word with a more specific, narrower meaning than leadership:

Other hyponyms of leadership include lead, trend setting.

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

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