Bitter is related to Basic. Basic is derived from Basis. Basis is a synonym of Root. Root is a synonym of Theme. 
Place is related to Nest. Nest is related to Habitat. 
Bitter <--RelatedTo--> Basic --DerivedFrom--> Basis <--Synonym--> Root <--Synonym--> Theme 
Place <--RelatedTo--> Nest <--RelatedTo--> Habitat 