soc·age 
(sŏkĭj, sōkĭj)
(sŏkĭj, sōkĭj)n.
Feudal tenure of land by a tenant in return for agricultural or other nonmilitary services or for payment of rent in money.
[Middle English sokage, from soke, soke; see SOKE.]
socag·er n.
- astrobiological
- astrobiologist
- astrobiology
- astrobleme
- astrochemist
- astrochemistry
- astrocyte
- astrocytic
- astrocytoma
- astrodome
- astrogate
- astrogation
- astrogator
- astrogeological
- astrogeology
- astrolabe
- astrologer
- astrologic
- astrological
- astrologically
- astrology
- astrometric
- astrometrical
- astrometric binary
- astrometry