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."
optimist
scientist geologist
Feminist and finalist are 8 letter words. They end with the letters IST.
journalist dentist hypnotist stylist opptimist
The person is a cyclist.
Linguist
Pharmacologist, gynecologist, optometrist, therapist, psychiatrist, cardiologist, neurologist, etc.
Pessimist - a person who habitually sees or anticipates the worst or is disposed to be gloomy.
A person who drives a car is commonly referred to as a motorist.
Bigamist IKR WHATT
Fist, list, consist, missed, narcissist, (most things ending in "ist") And "ust"... Check the link...
pharmacist, nutritionist, pyshcologist, meteorologist, orthodontist , podiatrist, dentist, neurologist , scientist, anthropologist , podiatrist, pharmacologist,