Strengthen is a synonym of Shore. Shore is a synonym of Reinforce. Reinforce is a synonym of Emphasize. 
Increasing is a form of Increase. Increase is related to Operation. Operation is a synonym of Surgery. Hospital can be used for Surgery. 
Strengthen <--Synonym--> Shore <--Synonym--> Reinforce <--Synonym--> Emphasize 
Increasing --FormOf--> Increase <--RelatedTo--> Operation <--Synonym--> Surgery <--UsedFor-- Hospital 