pentad /penˈtad/

1. A set of five things
2. A period of five years or five days
3. An atom, element or radical with a combining power of five

• cavie
• cavier
• cavies
• cavil
• cavillation
• capitulars
• capitulary
• capitulate
• capitulated
• capitulates
• capitulating
• capitulation
• capitulations
• capitulator
• capitulators
• capitulatory
• capitulum
• capiz
• capizes
• caple
• caples
• caplet
• caplets
• caplin
• caplins