Absence is the opposite of Presence. Presence is related to State. 
Diamond is related to Rock. Rock is related to Gold. Gold is related to Bank. Bank is a synonym of Trust. 
Absence <--Antonym--> Presence <--RelatedTo--> State 
Diamond <--RelatedTo--> Rock <--RelatedTo--> Gold <--RelatedTo--> Bank <--Synonym--> Trust 