plastron vs turtle

plastron and turtle both are nouns.

Word	Noun	Adjective	Verb	Adverb
plastron	Yes	No	No	No
turtle	Yes	No	Yes	No

plastron (noun)	turtle (noun)
(zoology) the part of a turtle's shell forming its underside	any of various aquatic and land reptiles having a bony shell and flipper-like limbs for swimming
a large pad worn by a fencer to protect the chest	a sweater or jersey with a high close-fitting collar
a metal breastplate that was worn under a coat of mail
the front of man's dress shirt
the ornamental front of a woman's bodice or shirt

plastron (verb)	turtle (verb)
	hunt for turtles, especially as an occupation
	overturn accidentally