Words with Suffix “-tonia” in English (US)

The word 'sympatheticotonia' is divided into eight syllables: sym-pa-the-tic-o-to-ni-a. Primary stress falls on the fifth syllable ('o-to-'). It's a noun of Greek origin, referring to increased sympathetic nervous system activity. Syllabification follows standard English rules of vowel nuclei, onsets, rimes, and open/closed syllable structures.