Placuna placenta vs windowpane oyster

Placuna placenta and windowpane oyster both are nouns.

Word	Noun	Adjective	Verb	Adverb
Placuna placenta	Yes	No	No	No
windowpane oyster	Yes	No	No	No

As nouns, Placuna placenta and windowpane oyster are synonyms defined as:

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

Other synonyms of Placuna placenta include capiz, window oyster.

Placuna placenta (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