Question: words that can be used as noun and verb with stress?
Answer: To do with finance.
increase. Noun: INcrease “There's been an increase in the number of students.” ... 
decrease. Noun: DEcrease “We've seen a decrease in the bird population.” ... 
import. Noun: IMport “This is a cheap import.” ... 
export. ... 
discount. ... 
refund. ... 
To do with authority or argument.