In English, there are certain word pairs that always go together. If you try to reverse their order it sounds weird to a native speaker.[1]https://www.sightwordsgame.com/vocabulary-words/word-pairs/
Below are a few popular examples of English word pairs.[2]https://www.thoughtco.com/nonreversible-word-pairs-1209931
Bacon and Eggs
Would you like some bacon and eggs for breakfast?
Back and Forth
They kept on arguing back and forth.
Bed and Breakfast
We stayed in a beautiful little bed and breakfast by the beach.
Brick and Mortar
It is an online only store. It doesn’t have any brick and mortar locations.
Bride and Groom
The bride and groom looked so happy walking down the aisle together.
Business and Pleasure
I try to not mix business and pleasure.
Cause and Effect
There is a clear cause and effect to the situation that you find yourself in.
Coffee and Donuts
Would you like to get some coffee and donuts for breakfast?
Cream and Sugar
Do you take cream and sugar with your coffee?
Dead or Alive
The wanted poster said that they wanted the criminal dead or alive.
Fun and Games
It is all fun and games until someone gets hurt.
Front and Center
The teacher told me to stand front and center to give my presentation.
Hammer and Nail
This job requires a hammer and nail to complete.
Knife and Fork
Can you set knives and forks on the table?
Ladies and Gentlemen
Ladies and Gentlemen can I have your attention please?
Law and Order
Law and order is the rule of the land.
Life or Death
The people in the sinking boat are in a life or death situation.
Lost and Found
Check the lost and found to see if you can find your lost cellphone.
Pots and Pans
I had to clean all the pots and pans.
Rain or Shine
We will be there rain or shine.
Salt and Pepper
Can you pass me the salt and pepper please?
Sooner or Later
Sooner or later you will need to study if you want to do well in the class.
Sweet and Sour
I really like sweet and sour chicken.
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