A noun with -ist added is also a noun.
A manicure (noun, a word for a thing) is done by a manicurist (noun, a word for a person).
More examples:
acupuncture - acupuncturist
balloon - balloonist
bicycle - bicyclist
cello - cellist
ego - egoist
final - finalist
harp - harpist
journal - journalist
pessimism - pessimist
piano - pianist
pharmacist, nutritionist, pyshcologist, meteorologist, orthodontist , podiatrist, dentist, neurologist , scientist, anthropologist , podiatrist, pharmacologist,
optimist
hello - Martin Luther in 1527 - 1529, Ein feste Burg ist unser Gott. http://de.wikipedia.org/wiki/Ein_feste_Burg_ist_unser_Gott
it isT used for talking/chatting for a certain topic
He was a painter, no other jobs.
Pharmacologist, gynecologist, optometrist, therapist, psychiatrist, cardiologist, neurologist, etc.
pharmacist, nutritionist, pyshcologist, meteorologist, orthodontist , podiatrist, dentist, neurologist , scientist, anthropologist , podiatrist, pharmacologist,
optimist
Jobs ending in "ist" typically refer to professions or roles that involve specialized skills or expertise in a particular field. Examples include a biologist (one who studies living organisms), a chemist (one who specializes in the study of chemicals), or a geologist (one who studies the Earth's structure and composition). These jobs often require advanced education and training to excel in their respective fields.
scientist geologist
The term "IST" can refer to various things depending on the context, such as "Indian Standard Time" or "Information Systems Technology." If you're referring to a specific "IST ending," please provide more context for an accurate response. Generally, an "IST" ending might pertain to the suffix used in adjectives related to a profession or ideology, like "artist" or "scientist."
Pharmasist Physicist Optionist Artist
Feminist and finalist are 8 letter words. They end with the letters IST.
journalist dentist hypnotist stylist opptimist
NeurologistMicrobiologistBiologistChemistGeologist
acupuncturistallergistanthropologistbiologistdentistbotanistchemistcosmetologistcosmologistgenealogistgeologistgynecologistmachinistmanicuristoncologistpathologistpenologistpolitical scientistepidemiologistorthodontistorthopedistpharmacistpolitical scientistpsychiatristpublicistpsychologistreading specialistradiologistscientistseismologisttherapisttranscriptions
The person is a cyclist.