As nouns the difference between investigator and investigation
is that investigator is one who investigates while investigation is the act of investigating; the process of inquiring into or following up; research; study; inquiry, especially patient or thorough inquiry or examination; as, the investigations of the philosopher and the mathematician; the investigations of the judge, the moralist.
investigator
English
Noun
(
en noun)
One who investigates.
Related terms
* investigatrix (feminine)
References
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investigation
Noun
(investigations)
The act of investigating; the process of inquiring into or following up; research; study; inquiry, especially patient or thorough inquiry or examination; as, the investigations of the philosopher and the mathematician; the investigations of the judge, the moralist.