aperture, apparition, atavistic, atrium, autopsy, avant-garde, celebrate, circumnavigate, conceive, conceptualize, deliberate, demonstrator, discover, elaborate, emerge, epoch, ethnology, evidence, exhibit, expose, facility, flume, forerunner, fragment, frontier, galleria, gastronome, genealogy, geophysics, gerontology, glean, heuristic, hinterland, hypothesis, ineffable, insightful, interject, learning, logos, lurk, memoir, mirage, nomad, paleontology, portray, posit, prescient, puzzle, radiance, reincarnation, skeptical, suspect, suspicion, taxonomy, tentacle, uncharted, undisclosed, unidentified, vanguard