pentalogy /pen-talˈə-ji/

1. A pentad, esp of published works
2. A series of five related books

• Syrian
• Syrianism
• Syriarch
• Syriasm
• syringa
• syringas
• syringe
• syringeal
• syringed
• syringes
• syringing
• syringitis
• syringitises
• syringomyelia
• syringomyelias
• syringotomies
• syringotomy
• syrinx
• syrinxes
• Syrism
• syrlye
• Syrophoenicia
• Syrophoenician
• syrphid
• Syrphidae