How to pronounce efficacious in Polish?

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efficacious::adjective | Spocien Dictionary

efficacious

/,ɛfə'keɪʃəs/

producing or capable of producing an intended result or having a striking effect

Type	Words
Synonyms	effective, effectual
Derivation	efficaciousness, efficacy

an efficacious law.

efficacious

/,ɛfə'keɪʃəs/

marked by qualities giving the power to produce an intended effect

Type	Words
Derivation	efficaciousness, efficacy

written propaganda is less efficacious than the habits and prejudices...of the readers.

the medicine is efficacious in stopping a cough.