Which of these word pairs does not match properly? Uncle – Aunt, King – Queen, Widow – Bachelor, Mister

Which of these word pairs does not match properly? Uncle – Aunt, King – Queen, Widow – Bachelor, Mister – Miss

Uncle – Aunt

King – Queen

Widow – Bachelor

Mister – Miss

Widow refers to a woman whose spouse has died, while bachelor refers to an unmarried man, so they are not exact opposites.

Uncle–Aunt, King–Queen, Mister–Miss are gender opposites or counterparts.