grovel

As verbs the difference between gravel and grovel

is that gravel is to apply a layer of gravel to the surface of a road, etc while grovel is to be prone on the ground.

As a noun gravel

is small fragments of rock, used for laying on the beds of roads and railroads, and as ballast.

As a noun taxonomy

is the science or the technique used to make a classification.

As a verb grovel is

to be prone on the ground.

As verbs the difference between grovel and ingratiate

is that grovel is to be prone on the ground while ingratiate is (reflexive) to bring oneself into favour with someone by flattering or trying to please him or her.