Distribution is derived from Distribute. Distribute is a type of Give. Give is related to Effort. 
Safe is related to Base. Base is a synonym of Bad. Bad is related to Trouble. Trouble is a synonym of Bother. 
Distribution --DerivedFrom--> Distribute --IsA--> Give <--RelatedTo--> Effort 
Safe <--RelatedTo--> Base <--Synonym--> Bad <--RelatedTo--> Trouble <--Synonym--> Bother 