Spokesman is etymologically related to Speak. Speak is related to Reply. Reply is related to Act. Rush is a type of Act. 
Indication is a synonym of Clue. Clue is related to Rope. Rope is related to Double. 
Spokesman --EtymologicallyRelatedTo--> Speak <--RelatedTo--> Reply <--RelatedTo--> Act <--IsA-- Rush 
Indication <--Synonym--> Clue <--RelatedTo--> Rope <--RelatedTo--> Double 