One who makes a neder prohibiting “wine” is permitted a cooked dish which has a taste of wine in it. [If] he said: “Konam, this wine with respect to my tasting [it],” and it fell into a cooked dish —- if it is enough to give flavor, it is forbidden. One who makes a neder prohibiting “grapes” is permitted wine; [if he makes a neder prohibiting] “olives,” he is permitted oil. [If] he said: “Konam, these olives and grapes with respect to my tasting [them],” he is forbidden them and what comes from them.

One who makes a neder prohibiting “dates” is permitted date honey. [If he makes a neder prohibiting] “winter grapes,” he is permitted vinegar of winter grapes. R' Yehudah ben Beseira says: Whenever the derivative carries the name of its source, and he makes a neder prohibiting the source, he is forbidden the derivative as well. The Sages, however, permit it.

One who makes a neder prohibiting “wine” is permitted apple wine; [if he prohibited] “oil,” he is permitted sesame oil; [if] “honey,” he is permitted date honey; [if] “vinegar,” he is permitted vinegar of winter grapes; [if] “leek,” he is permitted leeks with a head; [if] “vegetables,” he is permitted wild vegetables because it is an appellative.