marshy vs quaggy

marshy and quaggy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
marshy	No	Yes	No	No
quaggy	No	Yes	No	No

As adjectives, marshy and quaggy are synonyms defined as:

Other synonyms of marshy include boggy, miry, mucky, muddy, sloppy, sloughy, soggy, squashy, swampy, waterlogged.

marshy (adjective)	quaggy (adjective)
(of soil) soft and watery	(of soil) soft and watery