layout=the plan, design or arrangement of something laid out
- A model railway layout.
- The layout of the apartment was good, but the kitchen was too small.
- She designed the page layout for the school souvenir
outlay=An amount of money spent for a particular purpose, esp., as a first investment in something
- We plan an initial outlay of Rs. 50,000/- on machinery.
- A modest outlay on imported equipment.