Definition:
Compare tuff with other words:
duff vs. tuff
toff vs. tuff
muff vs. tuff
stuff vs. tuff
puff vs. tuff
lapilli vs. tuff
huff vs. tuff
fuff vs. tuff
tiff vs. tuff
ruff vs. tuff
cuff vs. tuff
guff vs. tuff
tuff vs. turf
luff vs. tuff
tuff vs. tuft
buff vs. tuff
scoria vs. tuff
tufa vs. tuff