HH

1. His or Her Highness
2. His Holiness

HH or 2H

Very hard (on lead pencils)

• enticingly
• enticings
• entire
• entirely
• entireness
• entirenesses
• entires
• entireties
• entirety
• entitative
• entities
• entitle
• entitled
• entitlement
• entitlements
• entitles
• entitling
• entity
• ento-
• entoblast
• entoblasts
• entoderm
• entoderms
• entoil
• entoiled