vil·lein·age also vil·lain·age 
(vĭlə-nĭj)
(vĭlə-nĭj)n.
1. The legal status or condition of a villein.
2. The legal tenure by which a villein held land.
- Frederick
- Frederick Albert
- Frederick Augustus Porter
- Frederick Austerlitz.
- Frederick Barbarossa
- Frederick Carlton
- Frederick Chapman
- (Frederick) Childe
- Frederick Grant
- Frederick I
- Frederick II
- Frederick II
- Frederick IX
- Frederick Jackson
- Frederick James
- Frederick Law
- (Frederick) Louis
- Frederick Moore
- Fredericksburg
- Frederick the Great.
- Frederick the Great
- Frederick William
- Frederick William I
- Frederick William II
- Frederick William III