12-letter words containing o, p, e, n, h, a
- whooper swan — a common, Old World swan, Cygnus cygnus, distinguished by a yellow patch at the base of its bill, noted for its whooping cry.
- xanthopterin — a yellow pigment, C6H5N5O2, found in some butterfly or moth wings or in the urine of mammals
- yachtsperson — A yachtsman or yachtswoman.
- zone therapy — a type of massage which works on the theory that specific parts of the foot or palm of the hand are associated with different parts of the body, and that massaging the feet or hands will give the patient relief from disorders in the related part of the body