"Remain" and "retain" have different meanings and uses:1. Remain = Stay in the same place or state.Example: "She decided to remain at home instead of going out.""Despite the changes, the rules remain the same."2. Retain = Keep or hold onto something.Example: "He worked hard to retain his position at the company.""This fabric retains its color even after many washes."Key Difference:Remain is abou..