"several discrepancies" is a correct and usable phrase in written English.
For example: "The auditor found several discrepancies in the company's financial records."
"There have been several discrepancies.
The transcript revealed several discrepancies in the government's case.
Several discrepancies between various sources of information were also identified.
We found several discrepancies when considering the specific compounds and on the country level.
However, several discrepancies in turbulence characteristics were found in numerical results, especially in RANS model calculations.
Several discrepancies are also noted between non-ideal and ideal conditions.
Mr. Del Col also brought up several discrepancies in Mr. Perez's account of that morning's events, including the order in which the other three men left the basement.
In fact, there were several discrepancies during the vote-counting on Tuesday night, some of which had favored Mr. Santorum.
Using the testimony and report of the prosecution's lead investigator, Doug Winters, the Bryant defense highlighted several discrepancies in the accuser's story.
Concerning the 5-HT mediated regulation of anxiety, there are several discrepancies of its gene expression within the DRN and vmPFC for mood and anxiety-like behaviors.
However, several discrepancies were seen due to deficiencies with the mechanism of modelling the hardening behaviour during stress reversal.
