HH

1. His or Her Highness
2. His Holiness

HH or 2H

Very hard (on lead pencils)

• disservice
• disserviceable
• disservices
• disserving
• disses
• dissever
• disseverance
• disseverances
• disseveration
• disseverations
• dissevered
• dissevering
• disseverment
• disseverments
• dissevers
• dissheathe
• dissheathed
• dissheathes
• dissheathing
• deuteranopia
• deuteranopias
• deuteranopic
• deuterate
• deuterated
• deuterates