Syndick

The Bailiffes and Syndicks of Merindoll appeare the ſecond time.

Source: wiktionary

[T]he two Syndicks and the reſt of the Magiſtrates of that City began to pry more narrowly into their ſtay, and more neerely into their actions; […]

Source: wiktionary

This City is govern'd by a Syndick and Twenty Five Senators, who meet every Day to conſult about the Affairs of the Commonwealth, and to decide all Cauſes, whether Criminal or Civil.

Source: wiktionary