| IRIDOLOGIST | • iridologist n. A practitioner of iridology; the practice of inspecting the iris in order to ascertain a persons health… • IRIDOLOGIST n. one who practises iridology. | 
| IRIDOLOGISTS | • iridologists n. Plural of iridologist. • IRIDOLOGIST n. one who practises iridology. | 
| KIDOLOGIST | • KIDOLOGIST n. a student of kidology. | 
| KIDOLOGISTS | • KIDOLOGIST n. a student of kidology. | 
| METHODOLOGIST | • methodologist n. A person who studies methodology, or applies its principles. • METHODOLOGIST n. a student of methodology. | 
| METHODOLOGISTS | • methodologists n. Plural of methodologist. • METHODOLOGIST n. a student of methodology. | 
| ORCHIDOLOGIST | • orchidologist n. One who studies orchids. • ORCHIDOLOGIST n. one who studies orchids. | 
| ORCHIDOLOGISTS | • orchidologists n. Plural of orchidologist. • ORCHIDOLOGIST n. one who studies orchids. | 
| PAEDOLOGIST | • paedologist n. One who researches and studies children: a student of paedology. • pædologist n. Obsolete spelling of paedologist. • PAEDOLOGIST n. one who studies the growth and development of children, also PEDOLOGIST. | 
| PAEDOLOGISTS | • paedologists n. Plural of paedologist. • pædologists n. Plural of pædologist. • PAEDOLOGIST n. one who studies the growth and development of children, also PEDOLOGIST. | 
| PEDOLOGIST | • pedologist n. A scientist who studies origins, composition and distribution of soils and the materials from which soils are formed. • pedologist n. A scientist who specializes in pedology. • pedologist n. A scientist who studies soil as a component of natural systems. | 
| PEDOLOGISTS | • pedologists n. Plural of pedologist. • PEDOLOGIST n. one who studies the growth and development of children, also PAEDOLOGIST. | 
| PODOLOGIST | • podologist n. A podiatrist or chiropodist. • PODOLOGIST n. one who practises podology, the study of the feet. | 
| PODOLOGISTS | • podologists n. Plural of podologist. • PODOLOGIST n. one who practises podology, the study of the feet. | 
| PTERIDOLOGIST | • pteridologist n. A person who studies ferns and other pteridophytes. • PTERIDOLOGIST n. one who studies pteridology. | 
| PTERIDOLOGISTS | • pteridologists n. Plural of pteridologist. • PTERIDOLOGIST n. one who studies pteridology. | 
| PYRAMIDOLOGIST | • pyramidologist n. One who studies pyramidology, who studies pyramids from a supernatural viewpoint. • PYRAMIDOLOGIST n. a specialist in pyramidology. | 
| PYRAMIDOLOGISTS | • pyramidologists n. Plural of pyramidologist. • PYRAMIDOLOGIST n. a specialist in pyramidology. | 
| SUICIDOLOGIST | • suicidologist n. A person engaged in suicidology. • SUICIDOLOGIST n. a student of suicidology. | 
| SUICIDOLOGISTS | • suicidologists n. Plural of suicidologist. • SUICIDOLOGIST n. a student of suicidology. |