Skin is related to Body. Body is related to Clothes. Clothes is related to Comfort. Comfort is a synonym of Ease. 
Safe is related to Deposit. Deposit is the opposite of Withdrawal. Withdrawal is derived from Withdraw. 
Skin <--RelatedTo--> Body <--RelatedTo--> Clothes <--RelatedTo--> Comfort <--Synonym--> Ease 
Safe <--RelatedTo--> Deposit <--Antonym--> Withdrawal --DerivedFrom--> Withdraw 