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

Signifying together, with

• carpenter
• carpenter-ant
• carpenter-bee
• carpenter-bees
• carpentered
• carpenteria
• carpentering
• carpenters
• carpentries
• carpentry
• carper
• carpers
• carpet
• carpetbag
• carpetbagger
• carpetbaggers
• carpetbags
• carpetbag steak
• carpetbag steaks
• carpet beating
• carpet-bed
• carpet-bedding
• carpet-beds
• carpet beetle
• carpet beetles