Use "start back" in a sentence

1. Economists worry that consumers are overextended and could start back.

2. With summer winding down, most parents can't wait for school — and regular Bedtimes — to start back up

3. As verbs the difference between blanch and Blench is that blanch is to grow or become white or blanch can be to avoid, as from fear; to evade; to leave unnoticed while Blench is to shrink; start back; give way; flinch; turn aside or fly off or Blench can be (obsolete) to blanch