Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
investigation into something
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "investigation into something" is correct and usable in written English.
It can be used when referring to the process of examining or inquiring into a particular subject or issue. Example: "The investigation into the financial discrepancies revealed several irregularities."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
examination of something
study of something
analysis of something
probe into something
is investigating something
request for information on something
information on something
detail on something
question on something
enquiry on something
inquiry regarding something
interest on something
inquiry about something
investigation on something
questions regarding something
research on something
questions on something
question about something
enquiry on the new product
investigation into a topic
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
He described the "heavy handed police investigation" into something that happened when he was a 24-year-old junior reporter as a "nightmare".
News & Media
Why launch an investigation into something that nearly everyone in U.S. politics — save one notable exception — doesn't believe warrants an investigation?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
That you can't commit a crime in obstructing investigations into something that wasn't a crime?
News & Media
Investigation Into Kavanaugh Has Ended.
News & Media
It could be an investigation into tampering — something the Lakers' front office has been fined for twice in the last two years.
News & Media
The investigation has turned into something of a soap opera, with raids of bank offices by special police squads, leaks of testimony to news outlets and, last week, incendiary nationalist speeches in the Senate demanding that three leading bankers -- Emilio Cárdenas of HSBC, Carlos Giovanelli of Citibank and Manuel Sacerdote of Bank Boston -- be prosecuted for treason.
News & Media
Day 6 — Jan . 25 Trump said he'd order a "major investigation" into voter fraud, something proven to be exceedingly rare, occurring during an election that he won.
News & Media
Rios doesn't shed the hardboiled demeanor earned through fifteen years of murder investigations, but it softens into something more accommodating of durable love for the ragtag community he forms.
News & Media
But the safeguards lie not in measures that make it impossible for police to complete an investigation into terrorist activities - something which would not protect but harm all our civil liberties - but in ensuring that the rights of a person detained are protected through drawing upon our traditions of impartial judicial oversight and parliamentary accountability.
News & Media
As the Guardian explained as part of its weeklong investigation into gun control, attempting something similar in the US would not only prompt what gun rights supporters have called a "civil war", it would require buying some 90m guns at a cost that could be in the billions.
News & Media
"Our initial investigation into sex for flights revealed something bigger," Mr. Bello said Monday by telephone.
News & Media
Expert writing Tips
Best practice
When using the phrase "investigation into something", ensure that the "something" is clearly defined and relevant to the context. Ambiguity can weaken the impact of your statement.
Common error
Avoid phrasing like "an investigation into something was launched" when an active voice construction (e.g. "the authorities launched an investigation into something") would be more direct and engaging.
Source & Trust
89%
Authority and reliability
4.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "investigation into something" functions as a prepositional phrase, where "investigation" acts as a noun and "into" is a preposition indicating direction or focus. Ludwig AI confirms its correct usage.
Frequent in
News & Media
60%
Science
20%
Academia
10%
Less common in
Formal & Business
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "investigation into something" is a grammatically correct prepositional phrase used to denote a formal inquiry or examination of a specific issue. Ludwig AI validates its usage. While relatively rare, it is most commonly found in news and media, scientific, and academic contexts. When employing this phrase, ensure clarity in defining the "something" being investigated and avoid overusing passive voice. Consider "inquiry concerning something" or "probe regarding something" as possible alternatives.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
inquiry concerning something
Replaces "investigation" with "inquiry" and uses "concerning" instead of "into", offering a slightly more formal tone.
probe regarding something
Substitutes "investigation" with "probe" and "into" with "regarding", suggesting a more thorough and detailed examination.
examination of something
Replaces "investigation into" with "examination of", focusing on the act of careful inspection.
study of something
Uses "study" instead of "investigation", implying a more academic or research-oriented approach.
exploration of something
Replaces "investigation" with "exploration", suggesting a discovery-driven approach.
analysis of something
Focuses on breaking down and understanding the components of "something" rather than just investigating.
review of something
Implies a formal assessment or evaluation of "something".
scrutiny of something
Highlights a critical and detailed examination of "something".
audit of something
Suggests a systematic and official examination of records or accounts related to "something".
fact-finding mission concerning something
Emphasizes the objective of uncovering facts related to "something" using "mission" to signal a specific task.
FAQs
How can I use "investigation into something" in a sentence?
You can use "investigation into something" when referring to an inquiry or examination of a particular issue. For example, "The police launched an investigation into something suspicious."
What's a formal alternative to "investigation into something"?
A more formal alternative is "inquiry concerning something". This phrasing is suitable for professional or academic contexts.
Is "probe into something" similar to "investigation into something"?
Yes, "probe regarding something" is quite similar to "investigation into something". A "probe" suggests a more detailed and thorough inquiry.
How does "scrutiny of something" differ from "investigation into something"?
"Scrutiny" implies a critical and detailed examination. While an "investigation" aims to uncover facts, "scrutiny of something" emphasizes careful and potentially critical assessment.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.4/5
Expert rating
Real-world application tested