Mammoth Uncensored Word List:
50 - 4 letter words starting with z

zags zany zaps zarf zati zeal zeas zebu zeds zees zein zeks zels zens zeps zerk zero zest zeta zeze zhos ziff zigs zila zinc zine zing zins zips zite ziti zits zizz zobo zobu zoea zoic zols zone zonk zoom zoon zoos zoot zori zulu zupa zurf zyga zyme