Adventure is related to Spirit. Spirit is related to Mind. Mean is etymologically related to Mind. 
Airplane is related to Hostage. Hostage is related to Take. Take is a synonym of Income. Income is related to Interest. 
Adventure <--RelatedTo--> Spirit <--RelatedTo--> Mind <--EtymologicallyRelatedTo-- Mean 
Airplane <--RelatedTo--> Hostage <--RelatedTo--> Take <--Synonym--> Income <--RelatedTo--> Interest 