As verbs the difference between vary and evolve

is that vary is to change with time or a similar parameter while evolve is to move in regular procession through a system.

As a noun vary

is (obsolete) alteration; change.

As verbs the difference between baying and lamenting

is that baying is while lamenting is .

As nouns the difference between baying and lamenting

is that baying is action of the verb to bay ; howling while lamenting is lamentation.

As nouns the difference between bog and forest

is that bog is while forest is a dense collection of trees covering a relatively large area larger than woods.

As a verb forest is

to cover an area with trees.

As an adverb stale

is always, all the time.

As an adjective sour is

having an acidic, sharp or tangy taste.

As a noun sour is

the sensation of a sour taste.

As a verb sour is

(label) to make sour.

As a verb discriminate

is to make distinctions.

As an adjective discriminate

is having the difference marked; distinguished by certain tokens.

As a noun mix is

mix.

As a noun paige

is page boy.

As a proper noun age is

.

As verbs the difference between discriminate and confuse

is that discriminate is to make distinctions while confuse is to thoroughly mix; to confound; to disorder.

As an adjective discriminate

is having the difference marked; distinguished by certain tokens.

As adjectives the difference between bigender and intergender

is that bigender is having two genders simultaneously, eg both male and female while intergender is taking place between people of the opposite sex.

As nouns the difference between ekranoplane and hydrofoil

is that ekranoplane is ekranoplan while hydrofoil is (nautical) a wing attached to the hull of a ship that raises it out of the water when travelling at speed and thus reduces drag.

As adjectives the difference between formal and ordinary

is that formal is being in accord with established forms while ordinary is having regular jurisdiction; now only used in certain phrases.

As nouns the difference between formal and ordinary

is that formal is formalin while ordinary is a devotional manual.