Burst is a synonym of Book. Book is a synonym of Engage. 
Cooking is related to Reduce. Reduce is related to Small. Small is related to Button. Button is related to Shirt. 
Burst <--Synonym--> Book <--Synonym--> Engage 
Cooking <--RelatedTo--> Reduce <--RelatedTo--> Small <--RelatedTo--> Button <--RelatedTo--> Shirt 