tufa /tooˈfə, tūˈfə/

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

• pilgrimized
• pilgrimizes
• pilgrimizing
• pilgrims
• pilgrim's shell
• pilgrim's sign
• pilhorse
• pilhorses
• pili
• piliferous
• piliform
• piling
• off course
• offcut
• offcuts
• off-cutter
• off-cutters
• off-day
• off-days
• off drive
• off drives
• off duty
• off-duty
• offed
• offence