zeal, 
zealot , 
zealotry
zealous, , 
zebra
zebu
zed  Z
zee  Z
Zeitgeist 
zemindar 
Zen  "",       
zenana 
Zend 
Zend-Avesta-
zenith, at the zenith of fame   
zenith-distance   ,  
zenithal
zeolite
zephyr,  ,  
Zeppelin
zero, , to reduce to zero   
zero-gravity
zest,   , 
zeugma
Zeus
