TOEFL Vocabulary: Processes — TOEFL Academic Vocabulary
Processes Five high-utility words with the full apparatus: pronunciation, both definitions, natural + academic examples, collocations, family, mistakes — then a 10-question set quiz.
occur /əˈkɝː/ verb B2
Meaning: To happen.
Academic meaning: To take place or come about, especially as an event or process in a system.
Natural example: Accidents often occur when drivers are tired.
Academic example: Chemical changes occur when the metal is exposed to air over long periods.
Collocations: occur naturally · occur frequently · occur as a result of
Synonyms: happen, take place, arise
Word family: occurrence (noun) · occurring (adjective)
⚠ Common mistake: Do not say “It was occurred.” Occur has no passive form: “The accident occurred.”
Register: Neutral–formal; common in academic writing · Usage: Prefer occur over happen in formal and academic contexts.
produce /prəˈduːs/ verb B1
Meaning: To make or create something.
Academic meaning: To generate or yield a substance, result, or output through a natural or industrial process.
Natural example: This bakery produces fresh bread every morning.
Academic example: The reaction produces hydrogen gas, which is then collected for analysis.
Collocations: produce results · produce energy · produce evidence
Synonyms: create, generate, yield
Antonyms: destroy, consume
Word family: product (noun) · production (noun) · productive (adjective) · productively (adverb)
⚠ Common mistake: Produce (verb) is stressed on the second syllable; the noun PROduce (fresh food) is stressed on the first.
Register: Neutral; very common in academic and business English · Usage: Use produce for both manufacturing and natural processes (trees produce oxygen).
require /rɪˈkwaɪɚ/ verb B2
Meaning: To need something, or to make something necessary.
Academic meaning: To demand or necessitate as a condition for a process, result, or qualification.
Natural example: This recipe requires two cups of flour.
Academic example: The procedure requires careful control of temperature at every stage.
Collocations: require attention · require approval · be required to do something
Synonyms: need, demand, necessitate
Word family: requirement (noun) · required (adjective)
⚠ Common mistake: Say “require somebody to do something,” not “require somebody do something.”
Register: Formal–neutral; standard in instructions and academic texts · Usage: Stronger and more formal than need; common in rules, methods, and requirements.
involve /ɪnˈvɑːlv/ verb B2
Meaning: To include something as a necessary part of an activity.
Academic meaning: To entail or comprise a component, process, or participant as an integral element.
Natural example: The trip will involve a lot of walking.
Academic example: Photosynthesis involves a series of light-dependent reactions in the leaf.
Collocations: involve risk · be involved in · involve doing something
Synonyms: include, entail, comprise
Antonyms: exclude
Word family: involvement (noun) · involved (adjective)
⚠ Common mistake: Use involve + -ing: “The job involves traveling,” not “involves to travel.”
Register: Neutral–formal; extremely frequent in academic writing · Usage: Use involve to describe what a process or activity includes or demands.
consist of /kənˈsɪst əv/ phrase B2
Meaning: To be made up of particular parts.
Academic meaning: To be composed of specified components or elements.
Natural example: The team consists of five players and a coach.
Academic example: The sample consists of fine particles suspended in liquid.
Collocations: consist mainly of · consist entirely of · consist of two parts
Synonyms: comprise, be composed of, be made up of
Word family: consistent (adjective) · consistency (noun) · consistently (adverb)
⚠ Common mistake: Never use the passive: say “The book consists of ten chapters,” not “is consisted of.”
Register: Formal–neutral; standard in descriptions of structure and composition · Usage: Use consist of to describe the parts that make up a whole; the parts follow of.