Gawian wears the green girdle becuase he failed to become a green knight so he wears the girdle to symbolize being part of the green knights.
The sentence that uses figurative language is "My day at school was a marathon and a triathlon combined." because this person's school day was obviously not a marathon/triathlon, but they use this to emphasize how tiring the day was.
Yes the words are spelled like that good job!
since yall arent helping im taking the points back. (i asked this question on my alt account)
Reptile, Scaly, Without Legs are some I could think of.