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efficacy

/ˈĕ f ĭ ˌk ă s ē/

ĕf-fĭ-că-cy

Rule 1

Vowels usually say their short sound in a closed syllable.

Rule 2

I and Y may say /ī/ or /ĭ/ at the end of a syllable.

Rule 3

C always softens to /s/ when followed by E, I, or Y. Otherwise, C says /k/.

Base Form

Plural

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