Grunting sounds are vocalizations made by animals and humans that are usually short, low-pitched, and monosyllabic. The two crossword solutions for the term GRUNTING SOUNDS are UHS and UGHS. UHS stands for Unvoiced Harsh Sounds, which are typically made by animals such as pigs, horses, and dogs. UGHS stands for Unvoiced Glottal Harsh Sounds, which are usually made by humans in response to pain or surprise.