 The  purposes  of  this  research  were  to  construct  and  find out efficiency of word spelling exercises and to compare the students, reading ability before and after employing the exercises to practice word spelling ending with eight That final sound characters.
The sample group was twenty students in Prathomsuksa one from Watbangnanglek  school in Ampher Onkarak Nakornayok Province. Eight sets of final word recognition exercises designed to target the students? difficulties were practiced by the students for forty hours. The t-test (dependent) was used to detect the improvement in the students? achievement and the criterion for the utilizing efficiency of exercises was defined at 80 /80 .
	The result of the study found that students? improvement showed a statistical significance of .01 and the efficiency of the exercises rated at 80 /80
