Hone

afiladera

(sharpening stone)

aguzadera

(sharpening stone)

amoladera

(sharpening stone)

asperón

(sharpening stone)

muela

(sharpening stone)

afilar

(to sharpen with a hone)

agudizar

(to refine or master a skill)

agudizar

(to make more acute, intense or effective)

aguzar

(to sharpen with a hone)

aguzar

(to refine or master a skill)

aguzar

(to make more acute, intense or effective)

amolar

(to sharpen with a hone)

subtilizar

(to refine or master a skill)

sutilizar

(to refine or master a skill)