Sinister: from the Latin “left” because of the evil connotations of omens “on the left,” emphasized further by Latin Mass. Adds a fun layer to the hyper-Christian, left-handed Ned Flanders and the title character of “Dexter,” the Latin word designating the right-handed, good omens.
Have you ever asked someone to repeat themselves, only to realize that you suddenly know what they said? Read something without realizing a word was repeated or misspelled? Heard words in an instrumental song?