This is the 5203rd most frequent Japanese word.
陥ら
"陥ら" means "to fall into" or "to succumb to."
The word '陥ら' expresses the act of falling into (a certain state or condition), in this case, despair.
彼は絶望に陥りました。
He fell into despair.
Here, '陥ら' is used to indicate the potential for a plan to result in (or fall into) a state of failure.
その計画は失敗に陥る可能性がある。
The plan might fall into failure.
In this sentence, '陥ら' is describing the tendency of someone to experience a misunderstanding.