window oyster vs windowpane oyster

window oyster and windowpane oyster both are nouns.

Word	Noun	Adjective	Verb	Adverb
window oyster	Yes	No	No	No
windowpane oyster	Yes	No	No	No

As nouns, window oyster and windowpane oyster are synonyms defined as:

window oyster and windowpane oyster: marine bivalve common in Philippine coastal waters characterized by a large thin flat translucent shell

Other synonyms of window oyster include capiz, Placuna placenta.

window oyster (noun)	windowpane oyster (noun)
marine bivalve common in Philippine coastal waters characterized by a large thin flat translucent shell	marine bivalve common in Philippine coastal waters characterized by a large thin flat translucent shell