The artist used various ochers in her painting.

The artist used ochery paint to create a warm and earthy tone in the painting.

She ochered the painting last week.

She is ochering the walls of her bedroom.

The sunset painted the sky in beautiful ocheraceous hues.

I am studying ochem this semester.

The Ocheltrees are a well-known family in the town.

My friend's last name is Ocheltree.

OChem is short for organic chemistry.