periderm /perˈi-dûrm/

1. The horny cuticular covering of a hydroid colony
2. The cork cambium with the cork and other tissues derived from it, forming a protective outer covering in plants

• ungears
• ungenerous
• ungenerously
• ungenial
• ungenitured
• ungenteel
• ungenteelly
• ungentilities
• ungentility
• ungentle
• ungentlemanlike
• ungentlemanliness
• ungentlemanly
• ungentleness
• ungentlenesses
• ungently
• ungenuine
• ungenuineness
• ungenuinenesses
• ungermane
• unget
• unget-at-able
• ungetatable
• ungets
• ungetting