return, returns, give back, giving back, gives back
Mnemonic
[hu-] The Hulk is [2] inside the [-an] pawn shop where he works. A customer keeps on trying to sell them a 不 no sign that they found on the 辶 road, but the Hulk refuses to do so since it is government property. He repeatedly 还 returns the 不 no sign, saying that the pawn shop doesn't want it.