Synonyms of extravagancy

2 Syllables
unthrift, surfeit, waste
3 Syllables
overplus, plethora, lavishness, profusion
4 Syllables
overspending, profuseness, superfluousness, overdose, superfluity, wastefulness, profligacy, fulsomeness
5 Syllables
prodigality, excessiveness, extravagance, extravagantness, exorbitance
6 Syllables
superabundance, inordinateness, unreasonableness, overindulgence, overabundance