artist
motorist and terroist
optimist
Dentist, Pianoist, etc.
Words ending in tious:ambitiouscontentiousfacetiousfactiousfictitiousflirtatiousfractiouspretentiousscrumptioussuperstitious
Some words that end with the suffix "-ist" include artist, scientist, dentist, pianist, journalist, and therapist.
Some words ending in the suffix -side are:alongsidebesideinsideoutside
First of all, they can -ist in the words biologist or chemist wouldn't be considered as a suffix. If we take away -ist from biologist, it would be biolog. That's not a word. Same with chemist. Technically, -ist means what a person is. For example, if I were a biologist,I would study biology.
It is a word
I believe what you are asking for is examples of words ending with the suffix "-city" such as: velocity veracity paucity
Words ending with lity:abilityagilitybrutalitycentralitycivilityformalitygeneralityfutilityneutralitypersonalitypluralityrealitysenilitystabilitytranquilityutilityvitality
Environment