Clay is a synonym of Mud. you are likely to find Stick in/at/on Mud. Stick is the opposite of Slip. Slip is related to Sheer. 
Collar is related to Fraud. Fraud is related to Activity. Leadership is a type of Activity. 
Clay <--Synonym--> Mud <--AtLocation-- Stick <--Antonym--> Slip <--RelatedTo--> Sheer 
Collar <--RelatedTo--> Fraud <--RelatedTo--> Activity <--IsA-- Leadership 