Lay into and Set about

Lay into verb - Hit violently, as in an attack.

Set about and lay into are semantically related. in attack topic. In some cases you can use "Set about" instead a verb "Lay into", when it comes to topics like criticize.

Set about verb - Begin to deal with.

Lay into and set about are semantically related. You can use "Lay into" instead a verb "Set about". informal substitute