Cover of the textbook Cutting Edge Upper-Intermediate - Student's Book

Exercise Grammar 3 — Cutting Edge Upper-Intermediate - Student's Book

02 - Language focus 2 — Cutting Edge Upper-Intermediate - Student's Book by Sarah Cunningham, Peter Moor and Jonathan Bygrave from Pearson Education

Question

Many nouns are the same as the verb: to interest / an interest; to stress / some stress. Which verb in the box below has a different noun form?