Visible is the opposite of Hidden. Hidden is the opposite of Apparent. Apparent is a synonym of Distinct. Distinct is a synonym of Different. 
Repair is a synonym of Doctor. Doctor can Care. 
Visible <--Antonym--> Hidden <--Antonym--> Apparent <--Synonym--> Distinct <--Synonym--> Different 
Repair <--Synonym--> Doctor --CapableOf--> Care 