Bush is etymologically related to Box. Box is related to Home. Home is related to Shelter. Shelter is related to Nest. 
Face is related to Plate. Disk is a type of Plate. Disk is a synonym of Disc. 
Bush --EtymologicallyRelatedTo--> Box <--RelatedTo--> Home <--RelatedTo--> Shelter <--RelatedTo--> Nest 
Face <--RelatedTo--> Plate <--IsA-- Disk <--Synonym--> Disc 