1. Not allowable as a deduction

Antonym: deductible

• Yurak-Samoyed
• Yuri Alekseyevich Gagarin
• Yuri Gagarin
• yurt
• Yves Tanguy
• YWCA
• z
• Z boson
• z-axis
• Z-lister
• Zaar
• zabaglione
• Zabrze
• Zacharias
• Zachary Taylor
• zaftig
• zag
• Zaglossus
• Zagreb
• Zaharias
• zaibatsu
• zaire
• Zaire River
• Zairean
• Zairese