Anxious is a synonym of Careful. Careful is similar to Close. Close is the opposite of Extend. Extend is related to Continue. 
Constant is related to Flow. Flow is related to Miracle. 
Anxious <--Synonym--> Careful <--SimilarTo--> Close <--Antonym--> Extend <--RelatedTo--> Continue 
Constant <--RelatedTo--> Flow <--RelatedTo--> Miracle 