Eat is a type of Worry. Worry is related to Story. Romance is a type of Story. French is a type of Romance. 
Common is a synonym of Standard. Standard is similar to Acceptable. Acceptable is the opposite of Proper. Proper is a synonym of Appropriate. 
Eat --IsA--> Worry <--RelatedTo--> Story <--IsA-- Romance <--IsA-- French 
Common <--Synonym--> Standard <--SimilarTo--> Acceptable <--Antonym--> Proper <--Synonym--> Appropriate 