HACER - the 24th most common word in the Spanish language by Steven French Languages published on 2013-05-22T09:47:59Z HACER is the twenty fourth most common word in the Spanish language. It is a classic irregular verb and it pays off as a student of Spanish to get up close and personal with this pesky verb and know it intimately. Need to learn Spanish? Business, pleasure, exams? Head over to www.stevenfrenchlanguages.com for advice and help.