- Alternative spelling of -logist. (One who studies a subject)
- Relatively few terms are directly derived using this suffix. Terms ending in logical are often derived from words formed in other languages or by suffixing -ical to a word ending in logy, as biologist = biology + -ist and theologist = theology + -ist, and snowologist = snowology + -ist.
- Alternative spelling of oologist.
oölogy + -ist