Premodifier: rip
Head noun: tide

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

Broader concepts

labelprovenanceconfidence
thingisap:919342310.529804
dangerisap:3078811100.481454
hazardisap:3003419550.338121
threatisap:3115468430.318557

Narrower concepts

labelprovenanceconfidence
shoreisap:1972548670.179174
beachisap:1963085440.136579