About: gray water

Premodifier: gray
Head noun: water

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

Broader concepts

label	provenance	confidence
waste water	isap:371262348	0.705568
wastewater	isap:259570767	0.562087
feature	isap:231307365	0.415486
system	isap:161581266	0.346727

Narrower concepts

label	provenance	confidence
shower	isap:117338470	0.475074
sink	isap:85179500	0.351674
discharge	isap:16779648	0.262152
laundry	isap:36559972	0.242390