syl.

1. Syllable
2. Syllabus

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

Signifying together, with

• belts
• belt-tightening
• belt up
• beltway
• beltways
• beluga
• belugas
• belvedere
• belvederes
• belying
• bel étage
• BEM
• brokery
• brokes
• broking
• brokings
• brolga
• brolgas
• brollies
• brolly
• brom-
• bromance
• bromate
• bromates
• brome-grass