S1A1P3R1O1P3E1L1S1
13 points
SAPROPELS is validvalid
SAPROPEL, mud consisting chiefly of decaying organic matter
SAPROPEL, (Greek) a slimy sediment laid down in water, largely organic in origin
SAPROPEL, mud consisting chiefly of decaying organic matter
SAPROPEL, (Greek) a slimy sediment laid down in water, largely organic in origin