Home can be used for Relax. Home is related to Big. Big is related to Corporation. Corporation is a synonym of Pot. 
Tear is related to Bacteria. Bacteria is related to Back. 
Relax <--UsedFor-- Home <--RelatedTo--> Big <--RelatedTo--> Corporation <--Synonym--> Pot 
Tear <--RelatedTo--> Bacteria <--RelatedTo--> Back 