Fall behind and Lay out

Fall behind verb - Hang (back) or fall (behind) in movement, progress, development, etc..

Lay out and fall behind are semantically related. In some cases you can use "Lay out" instead a verb "Fall behind".

Lay out verb - To hand over or use up in payment.

Fall behind and lay out are semantically related. Sometimes you can use "Fall behind" instead a verb "Lay out".