What is the root word in this word group: baker, baking, bakery?

[玫瑰]译句:这组词中的根词是什么:面包师,烘焙,面包店。(答案附文末)
[玫瑰] root /rut/ n. 根, 祖先,词根;vi. 生根, 根除;vt. 生根,固定
[近义词]:
n. plant organ, form, word form
v. grow, plant, set, dig
[惯用语]:
root cause 根本原因
root in 来源于,起因于
square root 平方根;二次根
take root 生根,扎根
at the root of 实质上,根本上
root for 支持;赞助;为……加油
[例句]:
• Money is the root of all evil.
金钱是万恶之源。
• Some plants have poisonous roots or fruits.
有一些植物的根或果实有毒。
• It has the same root as the word " bake".
它和“bake”这个词是同一个词根。
[玫瑰] baker /bekɚ/ n. 面包师;糕点师
[近义词]:n. merchant, skilled worker, trained worker
[例句]:
• Stan and I are both successful bakers.
斯坦和我都是成功的面包师。
• Instead, bakers must take one day of rest.
相反,面包师们必须休息一天。
[玫瑰] bakery /'bekəri/ n. 面包房,烘烤食品(面包、糕点等的总称)
[近义词]:n. workplace, work, shop, store
[例句]:
• The baker bakes his bread in the bakery.
面包师在面包房内烤面包。
• I am heading towards the bakery.
我正在去面包店的路上。
[玫瑰]答案:bake