The correct spelling of the word "Guys pill" is actually "Gy's Pilla". The word "Gy" is an Old English term for "guide" or "leader", and "Pilla" means "pillar" or "support". So, "Gy's Pilla" refers to a guide or support pillar. It is pronounced as [ɡaɪz pɪlə], with the stress on the first syllable. This unique spelling reflects the historical evolution of the English language, and serves as a reminder of its rich and diverse linguistic heritage.