Englishgaffe
noun
I made some real gaffes at work:
blunder, mistake, error, slip;
indiscretion, impropriety, breach of etiquette, miscalculation, gaucherie, solecism;
French faux pas;
Latin lapsus linguae, lapsus calami;
informal slip-up, howler, boo-boo, boner, botch, fluff, fail;
British, informal boob, bloomer, clanger;
North American, informal blooper, bloop, goof;
British, informal , dated floater;
vulgar slang fuck-up.