Apo
Away
Apt/ept
Skill, fitness, ability
Art
Skill, craft
Be
To be, to have a certain quality
Bel/bell
War
Apology
A defense for a cause in speech or writing
Apocryphal
Fictitous
Inept
Without skill, clumsy
Adept
Expert, skilled
Artificial
Lacking naturalness
Artful
Cunning, sly
Belittle
To put someone down
Beguile
To influence another by trickery
Rebel
To resist or rise against some authority
Bellicose
Eager to fight