First of all, I don't believe my question is a duplicate of this question, but tell me if you think it is. (I don't think it's the same, as that question is using one particular example and is asking about word redundancy in a sentence rather than a chapter, and unlike their question, I am asking how to avoid using word redundancy altogether)
So, I am going over a chapter that I have written for my book, and I found multiple instances where I found words that were used 5 or 6 times in different places and contexts in the chapter. All of times it was used, the quality was good and I'm happy with how they fit.
But, I worry that describing multiple things with the same word through my 3,200 worded chapter will seem redundant.
Some of these words that pop up a lot are these:
Dark or Darkness
Night or Nightime
Interrupted or Interjected
Soothed or Calmed
I've already looked at a thesaurus, but I have not found any good substitutes for these words. My question is, is it wrong to describe multiple scenarios with the same words, and if it is, how can I avoid it?
Note: I am not asking for specific substitutes for the words I provided, I am asking if it is wrong to use similar or the same word choice in multiple instances in my chapter, and how I can avoid it. Nothing to do with the word list. (However, you could include possible substitutes to the words as a bonus to my actual question if you wish)