Extended Strong's Greek Lexicon (Abbott-Smith based)
to confound
Usage: συν-χέω (Rec. συγ-), [in LXX for בָּלַל, רָגַז, etc. ;] to pour together, commingle, confuse; metaphorically, confound, throw into confusion, stir up trouble: Act.21:27 (cf. συν-χύννω).† (AS)