The Apple Family is a term used to refer to a group of related plants and trees. POME is a four letter word which refers to a type of fruit that is part of the apple family, such as a pear or quince. ROSE is also a four letter word which refers to a type of flower that is part of the apple family, such as a crabapple or hawthorn. NIECE is a five letter word which refers to a type of tree that is part of the apple family, such as an apple or cherry tree.