Verbal stumbles are a common phenomenon in which a person is unable to recall a word or phrase that they know, or has difficulty articulating a thought. The three crossword solutions for the term verbal stumbles are UMS, ERS, and UHS. UMS stands for 'Umms and Ahhs, ' which are filler words used when a person is struggling to find the right word. ERS stands for 'Errors of Speech, ' which are mistakes made when speaking, such as mispronouncing a word or using the wrong word. Finally, UHS stands for 'Unintelligible Hesitations, ' which are pauses in speech that make it difficult to understand what the speaker is saying.