swampy vs boggy

swampy and boggy both are adjectives.

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

As adjectives, swampy and boggy are synonyms defined as:

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

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