How to spell OLUS correctly?

Possible correct suggestions for the misspelling "olus" could be "opus", which refers to a musical composition or literary work, "focus", which means to concentrate or direct one's attention or "lotus", which is a plant commonly associated with Buddhism and Hinduism.

• bolus I inserted a bolus of insulin into my bloodstream to bring down my blood sugar levels.
• Oles
• onus
• opus The composer's latest opus was a symphony that received critical acclaim.
• plus I ordered a pizza with pepperoni, mushrooms, onions, and extra cheese, plus a side of garlic bread.

Intertubing

• antedating
• entertain
• entertainer
• entertaining
• inditing
• inner-tubing
• intertwine
• interurban
• intuiting
• undertaking