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

• microscopically
• microscopies
• microscopist
• microscopists
• microscopy
• microsecond
• microseconds
• microseism
• microseismic
• microseismical
• microseismograph
• microseismographs
• microseismometer
• microseismometers
• microseismometry
• microseisms
• microsite
• microsites
• microskirt
• microsleep
• microsomal
• microsome
• microsomes
• microsporangia
• microsporangium