Chinese words with 疑 character meaning (HSK)

怀疑

HUAI2, YI2
to suspect, to doubt, doubt, suspicion, skeptical

疑问

YI2, WEN4
a question, something not understood, to query, interrogative (gramm.)

迟疑

CHI2, YI2
to hesitate

嫌疑

XIAN2, YI2
suspicion, (be) suspected (of)

疑惑

YI2, HUO4
to doubt, to distrust, unconvincing, to puzzle over, misgivings, suspicions