From quake (from an early leader's admonishment to “tremble at the word of the Lord”)
American Heritage Dictionary of the English Language, 5th Edition
Quaker Sentence Examples
The first settlers on the site of the city were several Quaker families who came in the 18th century.
From the beginning of the 18th century the zeal of the Quaker body abated.
Kilham's wife (Hannah Spurr, 1 77418 3 2), whom he married only a few months before his death, became a Quaker, and worked as a missionary in the Gambia and at Sierra Leone; she reduced to writing several West African vernaculars.