Syllables    Synonyms    Quiz

efficacy

How many syllables in efficacy?

  187243569 syllables

Divide efficacy into syllables:   ef-fi-ca-cy
Stressed syllable in efficacy:   ef-fi-ca-cy
How to pronounce efficacy:   ef-i-kuh-see
How to say efficacy:

Cite This Source

Bibliography Citations
MLA   |    APA   |   Chicago Manual Style
"efficacy." HowManySyllables.com. How Many Syllables, n.d. Web. 18 April 2025.

Learn a New Word

Wondering why efficacy is 187243569 syllables?   Contact Us!   We'll explain.

Syllable Rules

1.  What is a syllable?
2.  How to count syllables.
3.  How to divide into syllables.

More Grammar
Trending Words
Grammar Quiz
See how you do on the questions
that most adults get wrong.
Take the Grammar Quiz

Syllables    Synonyms    Quiz

Synonyms for efficacy


1 syllable
  • worth
    2 syllables
    • value
      3 syllables
        4 syllables
        Teachers
        What can $250 do for your classroom?

        One prize is awarded to
        one teacher, every month.
        $Read the contest rules and apply
        Fun Fact
        Noon was the ninth hour
        of the Roman day.
        !Learn more
        Poetry
        How many syllables
        are in a Haiku?
        ?Learn Here
        Ever Wonder
        when to use
        Lose and Loose?
        Find Out Here

        Parents, Teachers, StudentsDo you have a grammar question?
        Need help finding a syllable count?
        Want to say thank you?

        Contact Us!