Cool MateInvestigation vs Research
When to use each in English, with meaning, register, and examples.
Investigation
Research
| Investigation | Research | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ɪnˌvestɪˈɡeɪʃn/"]/🇺🇸 /["/ɪnˌvestɪˈɡeɪʃn/"]/ | 🇬🇧 /["/rɪˈsɜːtʃ//ˈriːsɜːtʃ/"]/🇺🇸 /["/ˈriːsɜːrtʃ//rɪˈsɜːrtʃ/"]/ |
| Meaning | Looking into something to find out more about it. | The act of studying something carefully to learn more about it. |
| Example | The police launched an investigation into the missing person's case. | The research on climate change is very important for our future. |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 1,000 (very common) |
| CEFR level | B2 | A2 |
| Part of speech | noun | noun |
| Collocations | careful, close, detailed, carry out, conduct, pursue, demonstrate something, reveal something, show something, on investigation, under investigation, investigation into, the subject of an investigation, careful, close, detailed, carry out, conduct, pursue, demonstrate something, reveal something, show something, on investigation, under investigation, investigation into, the subject of an investigation | careful, detailed, in-depth, piece, carry out, conduct, do, demonstrate something, find something, identify something, degree, effort, programme/program, research in, research into, research on, an area of research, focus your research on something, somebody’s own research |
| Antonyms | disregard, neglect, overlook | ignorance, inactivity |
| Common mistakes | Confused with 'invest' which means to put money into something., Using 'investigation' as a verb instead of a noun., Mixing up 'investigation' with 'inspector', which refers to a person. | Using 'research' as an uncountable noun instead of a countable noun (e.g., saying 'a research' instead of 'a piece of research'), Confusing 'research' with 'search' (research is more in-depth and analytical), Using 'research' inappropriately in non-academic contexts |
| Usage notes | Use 'investigation' in formal contexts, like police work or research. Avoid in casual conversations. | Used in academic and professional contexts. Avoid using 'research' as a verb in casual conversation; instead, use 'study' or 'look into'. |
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Frequently asked questions: Investigation vs Research
What's the difference between Investigation and Research?
Investigation: Looking into something to find out more about it. Research: The act of studying something carefully to learn more about it.
Which is more common: Investigation and Research?
Research is the most common in everyday English.
Which is more advanced: Investigation and Research?
Investigation is the highest level, at B2, on the CEFR scale.
Are Investigation and Research the same CEFR level?
Investigation: B2, Research: A2 on the CEFR scale.
What part of speech are Investigation and Research?
Investigation: noun, Research: noun.
Can you show an example of each?
Investigation: The police launched an investigation into the missing person's case. Research: The research on climate change is very important for our future.
Can I use Investigation and Research interchangeably?
Not always. Investigation and Research are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.