AGE - The whole duration of a being, whether animal, vegetable, or other kind; lifetime.
AGO - Gone; gone by; gone away; passed; passed away.
APE - A primate of the clade Hominoidea, generally larger than monkeys and distinguished from them by having no tail.
EGO - The self, especially with a sense of self-importance.
GAP - An opening in anything made by breaking or parting.
GEE - A general exclamation of surprise or frustration.
PEA - A plant, member of the legume (Fabaceae) family.
PEG - A cylindrical wooden, metal etc. object used to fasten or as a bearing between objects.
PAGE - One of the many pieces of paper bound together within a book or similar document.
GAPE - To open the mouth wide, especially involuntarily, as in a yawn, anger, or surprise.
APOGEE - The point, in an orbit about the Earth, that is furthest from the Earth: the apoapsis of an Earth orbiter.