pullulate /pulˈū-lāt/

1. To sprout
2. To sprout or breed abundantly
3. To teem
4. To increase rapidly

pullulāˈtion noun

• quadrivalence
• quadrivalences
• quadrivalent
• quadrivalents
• quadrivial
• quadrivium
• quadroon
• quadroons
• quadrophonic
• quadrophonics
• quadrophony
• quadru-
• quadruman
• Quadrumana
• quadrumane
• quadrumanes
• quadrumanous
• quadrumans
• quadrumvir
• quadrumvirate
• quadrumvirs
• quadruped
• quadrupedal
• quadrupeds
• quadruple