cupcakes
"time" or "time period" in office is the simple replacement. "tenure" in office might be what you want. His time in office is also referred to as his "administration" .
secretary
Clinic. surgery
Corporate Headquarters
another word for no time to play is buisy
Maintenance Officer
Another word for receptionist is a front office worker. The receptionist will answer phones and take care of people coming into the office.
nominate
'doctor's surgery' (BritEnglish)/'doctor's office' (Amer.English) = consultorio hospital
Another word could be era.
incumbent
unscented, odor free, neutral, my advice is for you to type the word in the ms word office and right click into that word and choose synonyms.