"Gruffer" Natural Recordings by Native Speakers
Grufter (adjective): becoming or making someone become rougher in voice or manner; having or showing a rougher, more unpleasant tone or temper.
Gruene (pronounced "green") is a tiny town in Texas, USA, and not a word with a specific meaning. However, it may be related to the German word "grün", which means "green".
Gruff refers to a rough, harsh, or unpleasant tone of voice, often characterized by a low, rumbling sound. It is often used to describe someone who speaks in a rough, gruff manner, such as a person with a thick accent or a strong, gruff demeanor.
Gruffness refers to a rough or harsh quality of voice, manner, or tone, often conveying a sense of impatience, irritability, or stubbornness. It can also describe a lack of sweetness, softness, or gentleness in one's manner or behavior.
To grumble means to complain or express dissatisfaction, often in a low or indistinct tone. It can also mean to make a low, rumbling noise, like thunder in the distance.
A grumbler is a person who complains or murmurs about something, often in a weak or sulky manner. It can also refer to a noise or sound that is low and growling, like the rumble of thunder.