✅ 'Bachelor' is a masculine-gender noun, as it specifically refers to an unmarried man.

❌ 'Student' is a common gender noun because it can refer to a person of either male or female gender.

❌ 'Judge' is a common gender noun because it can refer to a person of either male or female gender, regardless of the individual holding the position.

❌ 'Editor' is a common gender noun because it can refer to a person of either male or female gender.