What it means
An ending that turns a root into a noun: epidermisep-ih-DER-misThe thin outer layer of the skin.epi- on, uponderm/o skinFull entry , dermisDER-misThe thick layer of skin under the epidermis that holds blood vessels, nerves, hair roots and glands.derm/o skinFull entry , pubisPYOO-bisThe front part of each hip bone, low in the pelvis; the two meet in the middle at the pubic symphysis.pub/o pubisFull entry and testis are body parts, and diagnosis and prognosis are ideas. It is part of other endings too, such as -itisEYE-tisA word ending that means inflammation.Full entry (inflammation) and -osisOH-sisA word ending that means an abnormal condition or process, or an increase.Full entry (condition). To make the plural, change -is to -es: one diagnosis, two diagnoses; one testis, two testes.