sandarach or sandarac /sanˈdə-rak/

1. Arsenic monosulphide, realgar
2. The resin (in full gum sandarach or sandarac resin) of the Moroccan sandarach tree (Collitris quadrivalvis) powdered to form pounce and used in making varnish

• null-modem cables
• nullness
• nullnesses
• nulls
• num.
• NUM
• Num.
• NUMAST
• numb
• Numb.
• numbat
• numbats
• numbed
• number
• number-cruncher
• number-crunching
• numbered
• numbered account
• numbered accounts
• number eight
• number eights
• numberer
• numberers
• numbering
• numberless