"This is a sentence using the word 'confederation.'"
"This sentence has the word 'confederation' in a sentence. ^^
Confederation is a word.
Southern states joined together to form a confederation.
The articles of Confederation were drawn and prepared, and thus began the new Confederate States of America, 1861.
On the day of the confederation, so much confetti fell that it took a week to clean it all up.
The Iroquois League was a very powerful confederation.
Can you use the word concluding in a sentence? Done.
You can use the word Truss in a sentence like this.
Just use it! Or do you mean, can you use the word beheld in a sentence.
How do you use the word decibel in a sentence?What is decibel used for?
Since that is not a word I would not attempt to use it in a sentence.
You just did use the word colonize in a sentence.