uめるmeru
1.

To cover something completely with another substance or material, making it invisible or obscured.

2.

To fill a hollow space or hole with objects, bringing the surface back to its original level.

3.

To fill a space without leaving any gaps, thereby achieving completeness in a specific area.

4.

To conceal an object by placing it underground or within another item, rendering it hidden from view.

5.

To supply or compensate for a deficiency or gap, restoring a desired or functional state.

Example:

犬はよく骨を地面に埋める。

うずuzuめるmeru
1.

To conceal an object completely, rendering it invisible by covering it with something else, as in burying items in soil or encasing them in a layer of other materials.

2.

To fill a hollow space or void with material until it is level or uniform, such as covering a hole with a substance like putty.

3.

To create a state where a place is filled to capacity by a large number of people or things, leaving no room for anything else.

4.

To place something underground or underneath the surface, effectively making it hidden from view, such as laying pipes below the ground.

5.

To restore an incomplete or deficient area by filling in gaps or spaces, ensuring that the original, desired condition is achieved again.

Example:

けいこは枕に顔をうずめて泣いた。