For Old English terms, this glossary may also be of use.

ceorl (celt, becomes churl)- a person without rights; slave; one who lives under the direction of others.

eorl later eolderman, later alderman; also root of 'earl'. A leader or elder of a tun/vill.

justiciar local representative of the king, post-Norman invasion. Nominally only serving while the king is absent, but in practice permanently responsible for a region (e.g., York.)

lawe to declaw a dog so that it cannot hunt in a royal (Norman) forest.

merchet fee paid by the villein to the lord on the marriage of the villein's daughters.

ostensurus quaere a type of early Writ? ; eventually related to torts.

praecipe a type of Writ? , potentially the oldest. Includes writs of write; eventually related to property.

socage type of EarlyTenancy? , along with military tenure.

villein latin; becomes villain. See ceorl.