This is the 11878th most frequent Russian word.
заподозрил
"Suspected" (past tense).
The word 'заподозрил' conveys the act of suspecting or doubting an event or action.
Он заподозрил, что его часы украли.
He suspected that his watch was stolen.
The word 'заподозрила' reflects suspicion directed towards someone for a specific action.
Она заподозрила его в сокрытии правды.
She suspected him of hiding the truth.
In this usage, 'заподозрили' denotes a suspicion arising due to an unusual occurrence.