The suffix word for administer is administration.
Potassium Iodide
I had to go administer at the main office at my new school.
The root of the word "administration" is "administer," which originated from the Latin word "administrare," meaning to manage or oversee.
No It's not a compound word
The nurse will administer the sedative.I need to administer all of this paperwork by Friday.The vet decided to administer a painkiller to the kitten.
Upwards is a compound word.
The contraction (not a compound word) is doesn't.
There is no compound word.A compound word is a word like bus-stop.Husban is spelt like this husband
Upstairs is a compound word, so it is one word.
administer minister sinister
Mango is not a compound word.