Some nouns and verbs have the same form in English. For example: “There’s been an increase in the number of students.” (noun) “Numbers are increasing.” (verb) However, the pronunciation (i. e. syllable stress) is different. Where “increase” is used as a noun, the stress is on the first syllable: IN-crease. But when “increase” is used as a verb, the stress is on the second syllable: in-CREASE. Choose the alternative that names the formal operation (word formation process) related to words like "increase".