Words

Syriac
setrā - secret (LSyr. 502, SL 1053)
Syriac
sattā - vine (LSyr. 502, SL 1051)
Syriac
šṭārā, ˀešṭārā - deed, document (LSyr.:773; SL 1549)

The word has no verbal exponent. Usually considered to be an Akkadian loanword. 

Syriac
sṭāpā - incisio (incision) (LSyr. 468)
Syriac
sawkā - branch, twig (LSyr. 463, SL 978)
Syriac
saybātā - white hair (LSyr. 469, SL 999)
Syriac
sym - to place, to set up (LSyr. 469)
Syriac
sīṭā - palm (LSyr. 469)
Syriac
šˁl - to cough (LSyr. 793, SL 1583)
Syriac
šuˁlā - hollow of hand, handful (LSyr. 793, SL 1531)