Correct
丛集
/ cóngjí /
Strokes
Definition
to crowd together/to pile up/to cluster/(book) collection/series
Example
As a Verb
crowd together; pile/well up
1
Zhàiwù
债务
cóngjí
丛集
with debts piling up; deep in debt
As a Noun
collected writings; collection
2
Yánjiūshēng
研究生
lùnwén
论文
cóngjí
丛集
collection of essays by graduate students