Musical is the opposite of Play. Walk is a type of Play. Walk is a different concept from Journey. Journey is a synonym of Way. 
Bathroom is related to Wash. Wash is related to Clothing. Laundry is a type of Clothing. 
Musical <--Antonym--> Play <--IsA-- Walk <--DistinctFrom--> Journey <--Synonym--> Way 
Bathroom <--RelatedTo--> Wash <--RelatedTo--> Clothing <--IsA-- Laundry 