12-letter words that end in ist
- meterologist — Misspelling of meteorologist.
- microscopist — An expert at microscopy.
- migrationist — a person who considers it important for species of animals and plants to migrate for the purposes of distribution and evolution
- mineralogist — the science or study of minerals.
- miscellanist — a person who writes, compiles, or edits miscellanies.
- miserabilist — One who is unhappy, or extols being miserable as a virtue; a philosopher of pessimism.
- missiologist — One who studies missiology.
- molinologist — One who studies molinology.
- monochromist — An artist working in the monochromatic style.
- morphologist — the branch of biology dealing with the form and structure of organisms.
- motorcyclist — a motor vehicle similar to a bicycle but usually larger and heavier, chiefly for one rider but sometimes having two saddles or an attached sidecar for passengers.
- musicologist — the scholarly or scientific study of music, as in historical research, musical theory, or the physical nature of sound.
- nailer joist — a steel joist having a permanently attached nailing strip, as for securing wooden flooring.
- nematologist — One who studies nematology.
- neoplatonist — a philosophical system, originated in the 3rd century a.d. by Plotinus, founded chiefly on Platonic doctrine and Eastern mysticism, with later influences from Christianity. It holds that all existence consists of emanations from the One with whom the soul may be reunited.
- nephrologist — A physician whose speciality is nephrology.
- neurochemist — A researcher or other professional in the field of neurochemistry.
- neuropathist — a specialist in treating diseases of the nervous system; a neurologist
- neuropterist — an entomologist specializing in neuropteran insects
- noctambulist — somnambulism.
- non-activist — an especially active, vigorous advocate of a cause, especially a political cause.
- non-feminist — advocating social, political, legal, and economic rights for women equal to those of men.
- nonbiologist — a person who is not a biologist
- noncommunist — not following, belonging to, or associated with the Communist Party or Communism.
- noneconomist — a person who is not an economist
- nonscientist — a person who is not a scientist
- nonsocialist — a person who is not a socialist
- numerologist — A practitioner of numerology.
- nutritionist — a person who is trained or expert in the science of nutrition.
- obscurantist — opposition to the increase and spread of knowledge.
- oceanologist — the practical application of oceanography.
- odontologist — the science dealing with the study of the teeth and their surrounding tissues and with the prevention and cure of their diseases.
- oliver twist — a novel (1838) by Dickens.
- ophiophilist — a person who loves snakes
- orthodontist — the branch of dentistry dealing with the prevention and correction of irregular teeth, as by means of braces.
- orthopaedist — Alternative spelling of orthopedist.
- orthopterist — someone who studies the Orthoptera
- ovariotomist — a surgeon who performs ovariotomies
- overoptimist — someone who is too optimistic
- paedobaptist — a person who baptizes infants
- palindromist — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- palynologist — the study of live and fossil spores, pollen grains, and similar plant structures.
- pansexualist — someone who is pansexual
- pantophagist — an omnivore
- parochialist — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- pekinologist — a person who studies the People's Republic of China
- perfusionist — a medical technician or nurse who monitors and operates equipment that oxygenates the blood, as during open-heart surgery
- periodontist — a specialist in periodontics.
- permissivist — lenience toward or indulgence of a wide variety of social behavior.
- perpetualist — someone who holds to any form of perpetualism