How about the following?"Nowadays, there is no good excuse for spelling the word "parallel" incorrectly, since it is so easy to use a spell-checker."
paralell
Because there is no such word as paralell! They are all parallel - to each other and to the equator.
the letters line up paralell
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.
You can use the word Terrorist in a sentence as " Muslims are not terrorist ".
use the word puzzlement in a sentence
the word rag in a sentence