anthropocene, apiary, autarky, biosphere, bursary, circumference, coliseum, conserve, curator, depository, desalinate, desert, ecology, efface, epidermis, erosion, filtrate, geology, geophysics, graze, guard, habitat, haute-couture, hereditary, heritable, hive, horticulture, humane, humanitarian, humidor, husbandry, immune, immunity, indemnity, indestructible, infrastructure, insulate, lagoon, pacifist, patina, preservation, preservative, preserve, protection, protector, redoubt, regency, repository, seagoing, sustainability, symbiosis, thrifty