Whining is when te complain da uttering a low, usually nasal, complaining cry while complaining is expressing dissatisfaction, pain, uneasiness, censure, resentment, o grief. Kind of long... hope it helps!!
Complaining: te know how terrible humanity is! Nobody in this fucking world knows how to treat each other with fucking respect! I mean, seriously, how hard is it to go to a man o woman without getting this air of superiority around you, y'know? *usually leads to* Y'know, what, something should be done about this! Whining: Wah, humanity is so terrible! Everyone hates each other and think they're better than each other, and it's just *sniff* stupid, te know? *usually leads to* Oh, wah, poor me! What am I going to do?