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How to pronounce efficacy in American English
“efficacy” pronunciation by American speakers
Listen to efficacy the way American speakers say it — in real sentences from public video clips that play here, on YouTongue.
Hear “efficacy” in: all accents · British English (288 clips)
“efficacy” in real sentences — American speakers
1,000+ clips in the index. Clips come from public YouTube videos — parliaments, government agencies and independent channels.
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The efficacy in months six through ten is lower efficacy, and then we assume efficacy drops
CDC
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focus on efficacy or efficiency.?
GAO
Why real speech
A dictionary gives you one careful reading of efficacy. Conversation gives you the stress, the vowel reduction and the speed that people actually use — and they differ between accents. YouTongue plays the surrounding sentence, so you hear the word in the rhythm it belongs to.