Spontaneous
//spɒnˈteɪ.ni.əs//
Pronunciation
US //spɒnˈteɪ.ni.əs//
US //spɑnˈteɪ.ni.əs//
US
Syllables: 4
Phonemes: S P AA0 N T EY1 N IY0 AH0 S
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.