Cook vs Cooker: Common English Mistakes | On Your Mark's English
- Mark Connolly

- Jan 8
- 1 min read

The "ER" Trap
In English, we often add "-ER" to a verb to create the name of the person who does the action.
Sing ➡️ Singer
Teach ➡️ Teacher
Dance ➡️ Dancer
So, logically, you think:
Cook ➡️ Cooker?
NO! 🚫
This is a huge trap for English learners.
1. A Cook (The Person)
If you want to talk about a person who makes food, the word is just Cook.
"Gordon Ramsay is a famous cook." (Or Chef).
"My husband is a terrible cook."
2. A Cooker (The Machine)
If you say Cooker, you are talking about a metal object in your kitchen.
A cooker is a large appliance (like a stove or oven range) or a small appliance (like a Rice Cooker or Slow Cooker)
The Embarrassing Mistake
If you say, "My girlfriend is a good cooker," native speakers might laugh.
Why? Because it sounds like you are saying she is a kitchen appliance!
Summary
Person = Cook 👨🍳
Machine = Cooker 🥘
Your Turn
Are you a good cook? Or do you prefer ordering pizza?
Write your answer in the comments down below.
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Do you make small mistakes like this often?
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