Category	frequency

money		32
toys and games		28
clocks		23
stained glass		19
cats		30
boats		33
telephones		21
underwater		18
people		22
wild animals		24
beverages		28
airplanes		26
trains		29
flowers		21
birds		19
cars		19
food		19
insects		16
skyscrapers		12
dogs		32
musical instruments		21
outer space		17
castles		29
computers		21
houses		15
locks and keys		26