en melatonin (n, body)
― IsA ⟶
Weight: 2.0
en hormone (n, body) Source: Open Multilingual WordNet
en melatonin (n)
― IsA ⟶
Weight: 1.0
en hormone (n) Source: OpenCyc 2012
en melatonin (n)
― IsA ⟶
Weight: 1.0
en neurotransmitter (n) Source: OpenCyc 2012
en melatonin (n)
― IsA ⟶
Weight: 1.0
en amine (n) Source: OpenCyc 2012
en melatonin (n)
― IsA ⟶
Weight: 1.0
en medicine (n) Source: OpenCyc 2012
en melatonin
― IsA ⟶
Weight: 0.5
en drug (n) Source: DBPedia 2015