Suffering would be like feeling depressed or in constant pain. Being sad, you just feel down and unmotivated.
Answer:
when something gets worse due to neglect or an unfortunate health problem, stuff starts to deteriorate or fall apart the word deteriorate describes anytime something gets worse. Due to neglect a relationship can deteriorate but so can the American highway system
Explanation:
A four letter word? my guess would be <em>LEAP</em>
I think that it would be letter D
