Cash is related to Carry. Carry is a synonym of Bear. Bear is related to Cute. 
Crowded is a synonym of Thick. Thick is related to Blood. Blood is related to Oxygen. Oxygen is related to Steel. 
Cash <--RelatedTo--> Carry <--Synonym--> Bear <--RelatedTo--> Cute 
Crowded <--Synonym--> Thick <--RelatedTo--> Blood <--RelatedTo--> Oxygen <--RelatedTo--> Steel 