If you're writing because you want to find a solution to a problem, here are some useful phrases: " I'm concerned about..." or " I need to bring something to your attention."
There is a military expression that dates back to Roman times, I'll spare you another Latin lesson but the phrase translates or the phrases translates roughly to leave no one behind.
But when you get a compound word, the two parts of the compound are usually stylistically very homogeneous, in other words, they are the same style: formal first part - formal second part, and so on.