plumbiferous

As a noun bench

is a long seat, for example, in the park or bench can be (weightlifting) the weight one is able to bench press, especially the maximum weight capable of being pressed.

As a verb bench

is (sports) to remove a player from play or bench can be (transitive|and|intransitive|colloquial) to lift by bench pressing or bench can be .

As an adjective plumbiferous is

producing or containing lead.

As a noun taxonomy

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

As an adjective plumbiferous is

producing or containing lead.

As adjectives the difference between plumbiferous and plombiferous

is that plumbiferous is producing or containing lead while plombiferous is (dated) plumbiferous.