pleopod vs isopod

pleopod and isopod both are nouns.

Word	Noun	Adjective	Verb	Adverb
pleopod	Yes	No	No	No
isopod	Yes	No	No	No

pleopod (noun)	isopod (noun)
one of the paired abdominal appendages of certain aquatic crustaceans that function primarily for carrying the eggs in females and are usually adapted for swimming	any of various small terrestrial or aquatic crustaceans with seven pairs of legs adapted for crawling