The wife was smart and was the brains of the operation whereas her husband was a big man and was the brawn of the operation. It takes a high level of intelligence to plan the attack, but a lot of brawn to execute the plan.
Jack had the brains of the family, but his brother Adam had the brawn.
Sad to say, he was all brawn and no brains.Cutting and milling logs by hand is a tough job that requires a lot of brawn.
There are no other versions of the word brawn. This is because it is a noun, and its form does not change since it is uncountable.
I am not writing a sentence using that word.
muscle
I can give you a sentence using the word galaxy.
a sentence using the word endotracheal
This is a sentence using the word aviator.
I am saying a sentence using the word collagen.
This is a sentence using the word monomer. :P
this is a sentence using the word armchair.
Need a sentence using the word crater?