Achitophel or Ahithophel /ə-kitˈō-fel or -hitˈ/

1. A cautious person (Shakespeare)
2. (after Dryden's application to Shaftesbury) an able but unprincipled counsellor

• axioms
• axion
• axions
• axis
• axis cylinder
• axis cylinders
• axises
• axis of incidence
• axis of refraction
• axis of the equator
• axle
• axle-box
• axle-boxes
• axle-guard
• axle-guards
• axles
• axle-tree
• axle-trees
• axman
• Axminster
• axoid
• axoids
• axolotl
• axolotls
• axon