plate glass vs pane

plate glass and pane both are nouns.

Word	Noun	Adjective	Verb	Adverb
plate glass	Yes	No	No	No
pane	Yes	No	No	No

As nouns, pane is a hyponym of plate glass; that is, pane is a word with a more specific, narrower meaning than plate glass:

Other hyponyms of plate glass include cover glass, cover slip, pane of glass, window glass, microscope slide, slide.

plate glass (noun)	pane (noun)
glass formed into large thin sheets	sheet glass cut in shapes for windows or doors
	a panel or section of panels in a wall or door
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