tufa /tooˈfə, tūˈfə/

1. Calc-sinter (often calcareous tufa)
2. Tuff or other porous rock (obsolete)

tufāˈceous adjective

• pivots
• pix
• pixed
• pixel
• pixellated
• pixels
• pixes
• pixie
• pixie hat
• pixie hats
• pixie hood
• pixie hoods
• pixies
• pixilated
• pixilation
• pixilations
• pixillated
• pixillation
• pixillations
• pixing
• pixy
• pixy-led
• pixy-ring
• pixy-rings
• pixy-stool