Words ending
in -cian.

academic → academician

A member of an academy or a scholar.

“The academician gave a lecture.”

beauty → beautician

A person who does hair, skin and nail treatments.

“The beautician painted her nails.”

clinic → clinician

A health worker who treats patients.

“The clinician explained the test.”

diet → dietician

An expert in food and healthy eating (also spelled dietitian)

“The dietician planned healthy meals.”

electric → electrician

A person who fits and repairs electrical wiring.

“An electrician fixed the lights.”

logic → logician

An expert in logic and reasoning.

“The logician spotted the flaw in the argument.”

magic → magician

A person who performs magic tricks.

“The magician pulled a coin from my ear.”

mathematics → mathematician

An expert in mathematics.

“The mathematician solved the puzzle.”

music → musician

A person who plays or writes music.

“The musician played the violin.”

optic → optician

A person who makes glasses and contact lenses.

“The optician checked my new glasses.”

pediatric → pediatrician

A doctor who treats children (paediatrician in British English)

“The pediatrician checked the baby.”

physic → physician

A medical doctor.

“The physician listened to my chest.”

politic → politician

A person who works in politics.

“The politician gave a speech.”

statistics → statistician

An expert in collecting and studying data.

“A statistician counted the survey answers.”

technic → technician

A person skilled in a technical job.

“A technician repaired the computer.”