Cardio
//ˈkɑɹ.di.oʊ//
Pronunciation
US //ˈkɑɹ.di.oʊ//
US //ˈkɑɹ.di.oʊ//
US
Syllables: 3
Phonemes: K AA1 R D IY0 OW0
UK //ˈkɑː.dɪ.əʊ//
UK //ˈkɑː.dɪ.əʊ//
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.