Doesn’t that sound better than “acting big”? Not really. It just has more syllables. Some people think that using more syllables makes them sound more impressive. But it doesn’t. One of the first things an editor does is cut down all the big words to simpler ones.
Utilize = use.
Majority = most.
Prior to = before.
In order to = to.
You can add your favorite space savers below in comments.