DD

1. Deo dedit (Latin), gave to God
2. Designated driver
3. Direct debit (also dd or d/d)
4. Divinitatis Doctor (Latin), Doctor of Divinity
5. Dono dedit (Latin), gave as a gift (or dd)

D/D or dd

1. Days after date
2. Day's date

• axiomatise
• axiomatised
• axiomatises
• axiomatising
• axiomatize
• axiomatized
• axiomatizes
• axiomatizing
• 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