PROVIDE is use in general conversation whereas SUPPLY is sort of technical and professional word. For example, it is the responsibility of government to provide its every citizen with basic needs. SUPPLY: During war, Pakistani soldier cut Indian army supply line. Water supply line of the city damaged. Thanks, [email protected]

you can check those words and any other English word you would like to know in the Cambridge Online Dictionary website. I've been using it for some time now and i have benefited much from it. Hope you'll find the site helpful too; here's the link: http://dictionary.cambridge.org/ All the best to us:)

provide: take measures in preparation for; "provide for the proper care of the passengers on the cruise ship" supply: provide something that is needed or desired; furnish, equip; make up for, compensate for; temporarily substitute for ....from dictionary.