Terrible is the opposite of Excellent. Excellent is related to Average. Average is a different concept from Good. Tv can be Good. 
Guess is etymologically related to Get. Get is a different concept from Put. Put is related to Car. 
Terrible <--Antonym--> Excellent <--RelatedTo--> Average <--DistinctFrom--> Good <--HasProperty-- Tv 
Guess --EtymologicallyRelatedTo--> Get <--DistinctFrom--> Put <--RelatedTo--> Car 