Prepare is a synonym of Train. Train is related to Due. Due is related to Indication. Indication is related to Clock. 
Rush is etymologically related to Hurry. Hurry is related to Fast. 
Prepare <--Synonym--> Train <--RelatedTo--> Due <--RelatedTo--> Indication <--RelatedTo--> Clock 
Rush --EtymologicallyRelatedTo--> Hurry <--RelatedTo--> Fast 