bearskin vs shako

bearskin and shako both are nouns.

Word	Noun	Adjective	Verb	Adverb
bearskin	Yes	No	No	No
shako	Yes	No	No	No

As nouns, bearskin and shako are synonyms defined as:

bearskin and shako: tall hat; worn by some British soldiers on ceremonial occasions

Other synonyms of bearskin include busby.

bearskin (noun)	shako (noun)
tall hat; worn by some British soldiers on ceremonial occasions	tall hat; worn by some British soldiers on ceremonial occasions
the pelt of a bear