This is the 6415th most frequent Dutch word.
tientallen
"Tientallen" means "tens" in English, referring to groups of ten.
In this sentence, 'tientallen' is used to indicate an approximate number of people, suggesting a count in the tens range.
Er waren tientallen mensen op het feest.
There were dozens of people at the party.
Here, 'tientallen' refers to an approximate quantity of books, emphasizing a large and indefinite number.
Hij heeft tientallen boeken gelezen in zijn leven.
He has read dozens of books in his life.
In this usage, 'tientallen' signifies a span of time, implying multiple groups of ten years, without specifying the exact amount.