11-Letter Words Containing: P,H,E,N,E,S

• intelligent somewhat arboreal ape of equatorial African forests

• a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun

• a cephalosporin antibiotic (trade names Keflex and Keflin and Keftab) commonly prescribed for mild to moderately severe infections of the skin or ears or throat or lungs or urinary tract

• An experiential learning opportunity, usually offered by a school, similar to an internship, but generally shorter in duration.

• a knot for shortening a line

• having abnormally low blood pressure

• a person who has abnormally low blood pressure