dyad /dīˈad/

1. A pair of units treated as one
2. A bivalent atom, radical, or element (chem)

dyadˈic adjective

• unsepulchred
• unserious
• unserviceable
• unset
• unsets
• unsetting
• unsettle
• unsettled
• unsettledly
• unsettledness
• unsettlednesses
• unsettlement
• unsettlements
• unsettles
• unsettling
• unsettlings
• unsevered
• unsew
• unsewed
• unsewing
• unsewn
• unsewn binding
• unsews
• unsex
• unsexed