Colmo.
n.The stalk or stem of grain and grasses (including the bamboo), jointed and usually hollow.
Mineral coal that is not bituminous; anthracite, especially when found in small masses.
The waste of the Pennsylvania anthracite mines, consisting of fine coal, dust, etc., and used as fuel
stalk generic term, stem generic term
Vogais: u
Consoantes: clm
culmen, calm, clam, clem, clum, calmy, celom, claim, clime, cloom.