Folks and Stepsister

Folks noun - People in general (often used in the plural).

Stepsister and folks are semantically related In some cases you can use "Stepsister" instead a noun "Folks".

Stepsister noun - A sister who has only one parent in common with you.

Folks and stepsister are semantically related in relative topic. Sometimes you can use "Folks" instead a noun "Stepsister", if it concerns topics such as member of a family.