syn- /sin-/, sy- /si-/, syl- /sil-/, sym- /sim-/ or sys- /sis-/

Signifying together, with

syn.

1. Synonym
2. Synthetic

• lx
• LX
• LXX
• lyam
• lyam-hound
• lyam-hounds
• lyams
• lyart
• lyase
• lyases
• Lycaena
• lycaenid
• Lycaenidae
• lycaenids
• lycanthrope
• lycanthropes
• lycanthropic
• lycanthropies
• lycanthropist
• lycanthropists
• lycanthropy
• lyceum
• lyceums
• lychee
• lychees