secondly

"Firstly, I need to finish my homework; secondly, I want to play outside"

"I was upset because, firstly, you were late, and secondly, you didn't call"

"Why did you choose that restaurant? Firstly, the reviews were great, and secondly, it's close to our house"

"When baking a cake, firstly mix the dry ingredients, and secondly add the wet ones"

"Please complete the form, and secondly, remember to sign at the bottom"