Sift out and Single out

Single out and sift out are semantically related in pick topic. In some cases you can use "Single out" instead a verb "Sift out", when it comes to topics like choose.

Single out verb - To decide to accept (someone or something) from a group of possibilities.

Sift out and single out are semantically related in pick topic. You can use "Sift out" instead a verb "Single out", if it concerns topics such as choose.