Palm is related to Tropical. Tropical is similar to Hot. Hot is a synonym of Handsome. Handsome is a different concept from Ugly. 
Array is related to Spectrum. Spectrum is a type of Scope. Scope is a synonym of Telescope. 
Palm <--RelatedTo--> Tropical <--SimilarTo--> Hot <--Synonym--> Handsome <--DistinctFrom--> Ugly 
Array <--RelatedTo--> Spectrum --IsA--> Scope <--Synonym--> Telescope 