Portuguese Guinea was once a Portuguese colony in Africa.

Porphyrin is a compound that plays an important role in the body.

In organic chemistry, porphin plays an important role.

My new apartment is on the third floor of the co-op.

In Greek mythology, Apollo was the god of music and prophecy.

Polyhymnia is a goddess in Greek mythology.

Melpomene is the goddess of tragedy in Greek mythology.

Melpomene is the goddess of tragedy in Greek mythology.

In Greek mythology, Polyhymnia was the goddess of sacred poetry, agriculture, gymnopedia (gymnastics), and pantomime.

In Roman mythology, Apollo was the god of music and prophecy.