Premodifier: flood
Head noun: plain

Same concepts
http://dbpedia.org/resource/Floodplain

Narrower concepts

labelprovenanceconfidence
entire areaisap:857005510.526763
riverisap:3656477420.295676
terrainisap:375798200.277389
landisap:877450910.251687
valleyisap:1147439750.246745
floodisap:3694905910.211513
areaisap:857005480.209755
homeisap:951576920.190365