Cat
Yes, it is a noun!
Planet
Yes, it is a noun!
Sharpener
Yes, it is a noun!
Pencil
Yes, it is a noun!
Chair
Yes, it is a noun!
Flower
Yes, it is a noun!
House
Yes, it is a noun!
Sing
No, it is not a noun.
Read
No, it is not a noun.
Book
Yes, it is a noun!
Mountain
Yes, it is a noun!
Brush
Yes, it is a noun!
Eat
No, it is not a noun.
Shoe
Yes, it is a noun!
Write
No, it is not a noun.
Run
No, it is not a noun.
Tree
Yes, it is a noun!
Doctor
Yes, it is a noun!
Banana
Yes, it is a noun!
Swim
No, it is not a noun.
Lamp
Yes, it is a noun!
Pizza
Yes, it is a noun!