This is the 8756th most frequent Russian word.
плеве
"Плеве" is not a standard Russian word. It may be a misspelling or a proper noun.
Here, 'плевел' refers to weeds or undesirable plants in a literal agricultural context.
На поле растёт много плевел, которые нужно удалить.
There are many weeds growing in the field that need to be removed.
In this instance, 'плевелы' metaphorically represent flaws or undesirable elements in a collection.
Среди студентских работ иногда встречаются плевелы, которые портят общее впечатление.
Among student works, there are sometimes flaws that ruin the overall impression.
Used metaphorically, 'плевел' depicts something trivial or insignificant within a broader intellectual context.