Self-tutoring about English: the tutor notices a word and finally checks it.
An excise is a tax levied on the sale or production of an item. An event has to happen for an excise to be due.
Mish, Frederick C. (editor). The Merriam-Webster Dictionary. Springfield: Merriam-Webster, 2004.Jack of Oracle Tutoring by Jack and Diane, Campbell River, BC.