tuff /tuf, tŭf/

1. A rock composed of fine volcanic fragments and dust
2. Tufa or other porous rock (obsolete)

tuffāˈceous adjective

• walers
• wales
• Walhalla
• wali
• Walian
• waling
• walis
• walise
• walises
• walk
• walkable
• walkabout
• walkabouts
• walk all over
• walk-around
• walkathon
• walkathons
• walk a tightrope
• walk-away
• walk away from
• walk-aways
• walk away with
• walk awry
• walked
• walker