Effectiveness
//ɪˈfɛk.tɪv.nɪs//
Pronunciation
US //ɪˈfɛk.tɪv.nɪs//
US //əˈfɛk.tɪv.nəs//
US
Syllables: 4
Phonemes: IH0 F EH1 K T IH0 V N AH0 S
US
Syllables: 4
Phonemes: IY1 F EH0 K T IH0 V N AH0 S
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.