I am taking a physical fitness class.
There are several ways the word fitness can be used in a sentence. One sentence is; Amy had a fitness routine she does every morning.
All the starting and stopping you experience during rush hour traffic can be described as very fitful.
The abilty to do well at sports is largely down to personal fitness.
No, there is no need to capitalise fitness in a sentence.
You can use the word Truss in a sentence like this.
Can you use the word concluding in a sentence? Done.
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?
You can use the word Terrorist in a sentence as " Muslims are not terrorist ".
You just did use the word colonize in a sentence.
Since that is not a word I would not attempt to use it in a sentence.
use the word puzzlement in a sentence