puppet ruler vs leader

puppet ruler and leader both are nouns.

Word	Noun	Adjective	Verb	Adverb
puppet ruler	Yes	No	No	No
leader	Yes	No	No	No

As nouns, leader is a hypernym of puppet ruler; that is, leader is a word with a broader meaning than puppet ruler:

puppet ruler: a leader or ruler who is chosen by a despot to head a government
leader: a person who rules or guides or inspires others

Other hypernyms of puppet ruler include ruler, swayer.

puppet ruler (noun)	leader (noun)
a leader or ruler who is chosen by a despot to head a government	a featured article of merchandise sold at a loss in order to draw customers
	a person who rules or guides or inspires others