cacophonic
cacophonous
ablation
ablative
abradant
abrasion
abrasive
air pollution
attrition
attritive
attritus
bones
bran
buffing
burnishing
chafe
chaff
chafing
cosmic dust
crumb
crumble
culm
deadwood
detrition
dishwater
draff
dregs
dressing
dry
dust
dust ball
efflorescence
erasure
erosion
erosive
fallout
farina
filing
filings
flour
fretting
galling
garbage
gash
gnawing
grating
grazing
grinding
grits
groats
hoarse
hogwash
utterance
vocalization