The initial idioms of the letter S

Syringa amurensis japonica	Syringa emodi
Syringa josikaea	Syringa josikea
Syringa persica	Syringa reticulata
Syringa villosa	Syringa vulgaris
syringe	syrinx
Syrrhaptes	Syrrhaptes paradoxus
syrup	syrupy
system	system administrator
system call	system clock
system command	system error
system of logic	system of macrophages
system of measurement	system of numeration
system of rules	system of weights
system of weights and measures	system program
systema alimentarium	systema digestorium