The rational speller words classified upon the basis of similarity of form and sound and arranged by grades This book, "The rational speller words classified upon the basis of similarity of form and sound and arranged by grades", by Frank J. Diamond, is a replication of a book originally published before 1901. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.