showmanship vs skill

showmanship and skill both are nouns.

Word	Noun	Adjective	Verb	Adverb
showmanship	Yes	No	No	No
skill	Yes	No	No	No

As nouns, skill is a hypernym of showmanship; that is, skill is a word with a broader meaning than showmanship:

showmanship: the ability to present something (especially theatrical shows) in an attractive manner
skill: an ability that has been acquired by training

Other hypernyms of showmanship include accomplishment, acquirement, acquisition, attainment.

showmanship (noun)	skill (noun)
the ability to present something (especially theatrical shows) in an attractive manner	ability to produce solutions in some problem domain
	an ability that has been acquired by training