Answer: swamp

AnswerCrossword Clue
SWAMPWashington, once, so they say
SWAMPSpongy land.
SWAMPCrake's milieu
SWAMPOkefenokee
SWAMPEngulf
SWAMPOkefenokee, e.g.
SWAMPRender helpless
SWAMPLocale for an airboat
SWAMPOverburden
SWAMPWill-o'-the-wisp locale
SWAMPPlace for a cypress
SWAMPWashington, D.C., once
SWAMPHome for alligators
SWAMPHome for a round-tailed muskrat
SWAMPMire
SWAMPInundate.
SWAMP"Adaptation" locale
SWAMPOkefenokee, for one
SWAMPMarsh
SWAMPInundate with work
SWAMPWill-o'-the-wisp locale, perhaps
SWAMPBurden with work
SWAMPPlace for alligators
SWAMPSetting for a fan boat ride
SWAMPDump lots of work on
SWAMPCypress setting
swampto overwhelm
swamparea of wet, spongy ground
swampto flood with water
swampto inundate (to fill with overflowing abundance)
SWAMPHome for Pogo
SWAMPOverwhelm
SWAMPWhere mangroves grow
SWAMPGator's playground
SWAMPPlace of a comic-book Thing
SWAMPInundate
SWAMPInnundate
SWAMPOverload
SWAMPBog
SWAMPQuagmire