-ician

1. In ancient Rome; originally, a member of any of the ancient Roman citizen families; later, a member of the nobility; the opposite of plebeian.
2. A person of high rank in some medieval Italian republics and in certain free cities of the German Empire.
3. Any person of high social rank; aristocrat.

A specialist in phonetics.

1. Someone who specializes in the study of disorders of spoken language and their management.
2. An expert or specialist in phoniatry.

A physician who specializes in physiatry (rehabilitation medicine).

1. Someone who is qualified and licensed to practice medicine; a medical doctor.
2. A doctor who practices general medicine with diagnoses and treatments of diseases and injuries using methods other than surgery.
3. A person who heals or exerts a healing influence.

A person who is active in campaigns for or holds a position in governmental authority or power: "Apparently there are some politicians who are more interested in gaining advantages for themselves than they are for their voters."

"Some politicians are seekers or holders of a public office who are too often more concerned about winning favor or retaining power than about maintaining principles."

There are some politicians who betray the citizens
who have helped them gain political power.

An expert or specialist in the prognosis and treatment of mentally processed sounds that are imaginary: Nancy was admitted to the psychiatric ward of the hospital under the care of the psycho-acoustician who was familiar with patients with imaginary perceptions of sounds.

According to a psychoacoustician, most people perceive airplane noise as if it were 10 dB greater than a similar noise that is made by a train, or ten times noisier than a train even when the noise levels of both are objectively the same.

A psychiatrist who specializes in the treatment of emotional problems and mental disorders of the elderly.

1. Someone who is specially trained to administer mental tests, the results of which are integrated with other kinds of personal data, about health or sensory deficiencies, for example, to assist decision-making concerning the individual as a whole; as in psychiatric diagnosis, school placement, and appropriateness for vocational or military training.
2. A person skilled in the application of statistical analysis of previously gathered psychological data.

One skilled in pyrotechny; a maker of gunpowder, etc., or of fireworks.

1. An individual who accummulates, clarifies, or studies the field of data: When studying architecture, Jenny had a professor who was a statistician, and who also tried to explain the importance of applied mathematics in building houses.
2. A mathematician whose main specialization concerns data: Mr. Straight, a statistician at the firm, explained how necessary it was to compile the information regarding the buying and selling of its goods.

1. Someone who is skilled in the planning and execution of military tactics.
2. Relating to tactics or done in order to achieve something.

1. A person conversant with the technicalities of a particular subject.
2. One skilled in the technique or mechanical part of an art, as music or painting.
3. A person qualified in the practical application of one of the sciences or mechanical arts; now especially, a person whose job is to carry out practical work in a laboratory or to give assistance with technical equipment.
4. A person who is skilled in specific industrial techniques.

Someone who bases his or her beliefs and attitudes about how governments should work on conformity to the will of God or a divine laws.

1. A person who theorizes, especially one who specializes in the theory of some art, science, etc.
2. One who formulates, studies, or is an expert in the theory of a science or an art.