As adjectives the difference between color and frothy

is that color is conveying color, as opposed to shades of gray while frothy is foamy or churned to the point of becoming infused with bubbles.

As a noun color

is the spectral composition of visible light.

As a verb color

is to give something color.

As nouns the difference between pollution and toxicity

is that pollution is the act of polluting or the state of being polluted, especially the contamination of the environment by harmful substances while toxicity is (toxicology) degree to which a toxic substance may harm a cell or organism.

As nouns the difference between dysuria and strangury

is that dysuria is difficult or painful discharge of urine while strangury is a painful, frequent need to urinate, when the bladder is largely empty or with little urine production.

Modest is a antonym of simple.

As adjectives the difference between simple and modest

is that simple is uncomplicated; taken by itself, with nothing added while modest is not bragging or boasting about oneself or one's achievements, unpretentious, humble.

As a noun simple

is a preparation made from one plant, as opposed to something made from more than one plant.

As a verb simple

is to gather simples, ie, medicinal herbs.

As nouns the difference between amortisation and depreciation

is that amortisation is while depreciation is depreciation.

As a noun ecotoxicology is

the toxicology of a substance towards a wide range of organisms or towards an ecosystem; the study of ecotoxicity.

As an adjective happy

is experiencing the effect of favourable fortune; having the feeling arising from the consciousness of well-being or of enjoyment; enjoying good of any kind, as peace, tranquillity, comfort; contented; joyous.

As a noun punishment is

the act or process of punishing, imposing and/or applying a sanction.

As nouns the difference between taxonomy and canyon

is that taxonomy is the science or the technique used to make a classification while canyon is a valley, especially a long, narrow, steep valley, cut in rock by a river.

As a verb crossbreed is

to produce (an organism) by the mating]] of individuals of different breeds, [[variety|varieties, or species; hybridize.

As a noun crossbreed is

an organism produced by mating]] of individuals of different [[variety|varieties or breeds.

As a noun taxonomy

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

As an adjective benevolent is

having a disposition to do good.