Diversity is derived from Diverse. Diverse is a synonym of Various. Various is a synonym of Different. Different is a different concept from Usual. 
Basis is a type of Assumption. Assumption is a type of Hypothesis. Hypothesis is the opposite of Goal. Goal is related to Touchdown. 
Diversity --DerivedFrom--> Diverse <--Synonym--> Various <--Synonym--> Different <--DistinctFrom--> Usual 
Basis --IsA--> Assumption --IsA--> Hypothesis <--Antonym--> Goal <--RelatedTo--> Touchdown 