Question

Can you please help me with this

Answer 1

Plane is a homophobe of plain, the definition of which is ordinary;common

Way is a homophone to weigh, the definition of which is to see how heavy something is

Answer 2

Plane and Plain,  and plain means ordinary, so plane and ordinary

Then weigh and way, and weigh is to see how heavy something is, so select way and to see how heavy something is.