con·tract
'kän-"trakt
noun
Middle English, from Latin contractus, from contrahere to draw together, make a contract, reduce in size, from com- + trahere to draw 1 a : a binding agreement between two or more persons or parties; especially : one legally enforceable b : a business arrangement for the supply of goods or services
sub·si·dy
's&b-s&-dE,
noun
Middle English, from Latin subsidium reserve troops, support, assistance, from sub- near + sedEre to sit -- more at SUB-, SIT
: a grant or gift of money: as a : a sum of money formerly granted by the British Parliament to the crown and raised by special taxation b : money granted by one state to another c : a grant by a government to a private person or company to assist an enterprise deemed advantageous to the public
Learn the difference and you will gain wisdom