puppet leader vs puppet ruler

puppet leader and puppet ruler both are nouns.

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

As nouns, puppet leader and puppet ruler are synonyms defined as:

puppet leader and puppet ruler: a leader or ruler who is chosen by a despot to head a government

puppet leader (noun)	puppet ruler (noun)
a leader or ruler who is chosen by a despot to head a government	a leader or ruler who is chosen by a despot to head a government