Jock [jok]

~ noun
1. Scot. and Irish English.
a. a nickname for John.
b. an innocent lad; country boy.
2. British Informal.
a. a Scottish soldier or a soldier in a Scottish regiment.
b. any Scot.
3. a male given name.

Origin:
1500-10

Samurai [sam-u-rai]

~ noun pl. samurai or sam-u-rais
1. The Japanese feudal military aristocracy.
2. A professional warrior belonging to this class.

Origin:
1720-30 [Japanese, warrior, from Old Japanese samurafi : sa-, pref. of unknown meaning + morafi, to watch, frequentative of mor-, to guard.]