Tv is derived from Television. Tv is related to Story. Story is related to Joke. 
Joy is a synonym of Pleasure. Pleasure is related to Feeling. Feeling is related to Smile. 
Television <--DerivedFrom-- Tv <--RelatedTo--> Story <--RelatedTo--> Joke 
Joy <--Synonym--> Pleasure <--RelatedTo--> Feeling <--RelatedTo--> Smile 