HH

1. His or Her Highness
2. His Holiness

HH or 2H

Very hard (on lead pencils)

hh

Hands

• geometers
• geometric
• geometrical
• geometrically
• geometrical mean
• geometrical progression
• geometrical progressions
• geometrical series
• geometrician
• geometricians
• geometric mean
• geometric progression
• geometric progressions
• geometrid
• Geometridae
• geometrids
• geometries
• geometrisation
• geometrisations
• geometrise
• geometrised
• geometrises
• geometrising
• geometrist
• geometrists