Assignment
Assignment noun - A piece of work that needs to be done regularly.
Investigation and assignment are semantically related. In some cases you can use "Investigation" instead a noun "Assignment".
Investigation
Investigation noun - A systematic search for the truth or facts about something.
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Synonyms for Investigation
Assignment and investigation are semantically related. Sometimes you can use "Assignment" instead a noun "Investigation".
How words are described
| joint | joint assignment | joint investigation |
| special | special assignment | special investigation |
| particular | particular assignment | particular investigation |
| regular | regular assignment | regular investigation |
| Other adjectives: current, original, routine, deep, actual, entire, real, serious, dangerous, important, secret, new, major, past, final, last, latest, undercover, covert, recent, previous, botched. | ||
Both words in one sentence
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If there's a particularly embarrassing assignment or line of inquiry required for an investigation, there's a good chance that poor Crabtree is going to be the one called on to do it.
Source: Series / Murdoch Mysteries -
If it weren't for the fact that Fisk has the NYPD Internal Affairs Bureau in his pocket, Blake and Hoffman would have been placed on modified assignment and administrative leave while an investigation was conducted into their actions.
Source: Series / Daredevil -
A character's actual assignment might be something like "tell the readers who won the dog show," or "write a puff piece on our best advertiser," but something about the setup will inevitably spark a full-scale investigation.
Source: Intrepid Reporter
Cite this Source
Investigation and Assignment. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/assignment/investigation
Assignment & Investigation. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/assignment/investigation>.
Investigation or Assignment. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/assignment/investigation.
Google Ngram Viewer shows how "assignment" and "investigation" have occurred on timeline