Compare
1) His poems are popular. (his novels)
2) This dress is lovely. ( this blouse)
3) My father is serious. (my mother)
4) Our new house is nice. (our old house

1)His novels are sad.

2)This blouse is pretty.

3)My mother is funny.

4)Our old house is awful.

1) His poems are more than popular his novels.

2) This dress is lovelier than this blouse.

3) My father is more serious than my mother.

4) Our new house is nicer than our old house.