boggy vs quaggy

boggy and quaggy both are adjectives.

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

As adjectives, boggy and quaggy are synonyms defined as:

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

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