showplace

As nouns the difference between showplace and showpiece

is that showplace is a building or estate shown for its beauty or noteworthiness while showpiece is something that exhibits exceptional quality, something worth being shown.

As a proper noun palace

is (soccer) , a football team from london.

As a noun showplace is

a building or estate shown for its beauty or noteworthiness.

As nouns the difference between showplace and showcase

is that showplace is a building or estate shown for its beauty or noteworthiness while showcase is a case for displaying merchandise or valuable items.

As a verb showcase is

to display, demonstrate, show, or present.