tessera /tesˈə-rə/

1. One of the small pieces of which a mosaic is made
2. A token or ticket made usu of wood or bone (ancient hist)
3. A password. See also tessara-

• subfloor
• subfloors
• subframe
• subframes
• subfreezing
• subfusc
• subfuscous
• subfuscs
• subfusk
• subfusks
• subgenera
• subgeneric
• subgenerically
• subgenre
• subgenres
• subgenus
• subgenuses
• subglacial
• subglacially
• subglobose
• subglobular
• subgoal
• subgoals
• subgrade
• subgrades