People is related to Troop. Troop is related to Army. Army is related to Fighting. 
Debut is etymologically related to Butt. Debut is related to Come. Come is etymologically related to Basis. 
People <--RelatedTo--> Troop <--RelatedTo--> Army <--RelatedTo--> Fighting 
Butt <--EtymologicallyRelatedTo-- Debut <--RelatedTo--> Come --EtymologicallyRelatedTo--> Basis 