Here are two of the four letter words utilizing those 4 letters in a combination that immediately come to mind.
1. grin
2. ring
This paper is alive with sympathetic insight into Shakespeare (if you mean a sentence with the word insight) theres more in merriam webster dictionary. it gives you more example sentences
i-n-s-i-g-h-t (literally spelling insight)
It means “It is time to eat”
Poets use abstract concepts because such ideas can be easily understood and make the poem universal. 100%sure
