French and Latin influence on the Language
French loan words: army, court, defence, prison, beef, pork, religion, armour, saint, clergy. (about 10,000 words, 75% survives in present day English)
Latin loan words: conspiracy, gesture, substitute, intellect, etc
In many cases we will find the influence of history in Modern English:
King = Old English
Royal = French influence
Regal = Latin influence