Words

Syriac
zugallā - squab (LSyr. 188, SL 370)
Syriac
zḳp - to rise up; to suspend, hang (LSyr. 204)
Syriac
zulbānā, zəlūbānā - generative organ (of deer and horse) (LSyr. 197)

Probably related, with -l- of obscure origin.

Syriac
zmr - to sing; to pipe (LSyr. 199, SL 386)
Syriac
zny - (pa., etpa.) to fornicate (LSyr. 200, SL 388)
Syriac
zānitā - whore, harlot (LSyr. 200, SL 389)
Syriac
zaptā, zeptā - stinking (LSyr. 203, SL 392)
Syriac
bar zarˁā - seed (LSyr. 92, SL 180)
Syriac
zartā - span (LSyr. 208, SL 401)
Syriac
zarzīrā - starling (LSyr. 206, PS 1156)
Also zarzūrā