ねじ

ねじ · neji · JLPT N2 · noun

prison guard

🔩 ね-じ: sounds like 'nedge-jee', think 'nail-ji', a screw is a twisted nail that you turn

ねじ (neji) is a screw. Its roots are believed to link to 'nejiru', meaning to twist. A screw is something you twist in.