| CONSERVATION | • conservation n. The act of preserving, guarding, or protecting; the keeping (of a thing) in a safe or entire state; preservation. • conservation n. Wise use of natural resources.
 • conservation n. (Biology) The discipline concerned with protection of biodiversity, the environment, and natural resources.
 | 
| CONSERVATIONAL | • conservational adj. Of or pertaining to conservation. • conservational adj. Conversational.
 • CONSERVATIONAL adj. relating to conservation.
 | 
| CONSERVATIONIST | • conservationist n. A person who maintains natural areas or protects threatened species. • conservationist n. Someone who advocates for these actions.
 • CONSERVATIONIST n. a person who advocates conservation esp. of natural resources.
 | 
| CONSERVATIONS | • conservations n. Plural of conservation. • CONSERVATION n. a careful preservation and protection of something.
 | 
| INOBSERVATION | • inobservation n. Neglect or want of observation. • INOBSERVATION n. lack of observation.
 | 
| INOBSERVATIONS | • INOBSERVATION n. lack of observation. | 
| NONCONSERVATION | • nonconservation n. A failure to conserve. • nonconservation n. (Physics) A failure to abide by a conservation law.
 • NONCONSERVATION n. not conservation.
 | 
| OBSERVATION | • observation n. The act of observing, and the fact of being observed (see observance). • observation n. The act of noting and recording some event; or the record of such noting.
 • observation n. A remark or comment.
 | 
| OBSERVATIONAL | • observational adj. Relating to observation, especially scientific observation. • OBSERVATIONAL adj. related to observation.
 | 
| OBSERVATIONALLY | • observationally adv. In an observational way. • OBSERVATIONAL adv. related to observation.
 | 
| OBSERVATIONS | • observations n. Plural of observation. • OBSERVATION n. an act or instance of observing a custom, rule, or law.
 | 
| PRESERVATION | • preservation n. The act of preserving; care to preserve; act of keeping from destruction, decay or any ill. • preservation n. The state of being preserved, how something has survived.
 • PRESERVATION n. the act of preserving.
 | 
| PRESERVATIONIST | • preservationist n. A person who advocates for the preservation of natural or man-made landmarks. • PRESERVATIONIST n. one who advocates preservation (as of a biological species or a historical landmark).
 | 
| PRESERVATIONS | • preservations n. Plural of preservation. • PRESERVATION n. the act of preserving.
 | 
| RESERVATION | • reservation n. The act of reserving, withholding or keeping back. • reservation n. Something that is withheld or kept back.
 • reservation n. (Often in the plural) A limiting qualification regarding certainty; a doubt.
 | 
| RESERVATIONIST | • reservationist n. A person whose job is to take reservations. • RESERVATIONIST n. one who makes a reservation.
 | 
| RESERVATIONISTS | • reservationists n. Plural of reservationist. • RESERVATIONIST n. one who makes a reservation.
 | 
| RESERVATIONS | • reservations n. Plural of reservation. • RESERVATION n. somehting reserved, a booking.
 |