Answer:
田 DEN, ta - paddy field
田 DEN, ta - paddy field
田 DEN, ta - paddy field
刀 TOU, katana - sword
刀 TOU, katana - sword
Add a single stroke to each of these to make another character.
由 YUU, YU, YUI, yoshi - reason, cause
甲 KOU, KAN - first in a series, high voice
申 SHIN, mou(su) - say, be named
力 RYOKU, RIKI, chikara - power
刃 JIN, ha - blade