Answer:
What word starts with 'E', ends with 'E', but only has one letter? It is not the letter 'E'.
It is destruction made out of thin air, You hear it howl and give a prayer, Through barns and houses it will tear. It is a deadly funnel, Of violent and twisting air.
I can be written, I can be spoken, I can be exposed, I can be broken.
Three lives have I. Gentle enough to soothe the skin. Light enough to caress the sky. Hard enough to crack rocks.
When the horse strokes the cat, the wood begins to sing.
What covers its face with its hands, speaks no language, yet most known what it's saying?