Safe is related to Harm. Harm is related to Danger. Danger is related to Concept. Concept is a synonym of Conception. 
Long is related to Belt. Belt is a synonym of Whip. 
Safe <--RelatedTo--> Harm <--RelatedTo--> Danger <--RelatedTo--> Concept <--Synonym--> Conception 
Long <--RelatedTo--> Belt <--Synonym--> Whip 