As nouns the difference between farewell and hail

is that farewell is a wish of happiness or welfare at parting, especially a permanent departure; the parting compliment; a goodbye; adieu while hail is balls or pieces of ice falling as precipitation, often in connection with a thunderstorm.

As adjectives the difference between farewell and hail

is that farewell is parting, valedictory, final while hail is (obsolete) healthy, whole, safe.

As interjections the difference between farewell and hail

is that farewell is goodbye while hail is an exclamation of respectful or reverent salutation, or, occasionally, of familiar greeting.

As verbs the difference between farewell and hail

is that farewell is to bid farewell or say goodbye while hail is (impersonal) said of the weather when hail is falling or hail can be to greet; give salutation to; salute.

In intransitive terms the difference between cry and clamor

is that cry is to utter inarticulate sounds, as animals do while clamor is to become noisy insistently.

In transitive terms the difference between cry and clamor

is that cry is to cause to do something, or bring to some state, by crying or weeping while clamor is to influence by outcry.

In transitive terms the difference between expose and exploit

is that expose is to abandon, especially an unwanted baby in the wilderness while exploit is to use for one’s own advantage.

As proper nouns the difference between america and poland

is that america is the continents of North and South America, especially when considered to form a single continent; the Americas while Poland is a country in Eastern or Central Europe (varies with sources). Official name: Republic of Poland.

As a proper noun poland

is poland.

As a verb usa is

.

As a noun umbridge

is .

As a verb offense is

.

As verbs the difference between frustrate and daunt

is that frustrate is to disappoint or defeat; to vex by depriving of something expected or desired while daunt is to discourage, intimidate.

As an adjective frustrate

is vain; ineffectual; useless; nugatory.

As verbs the difference between frustrate and circumscribe

is that frustrate is to disappoint or defeat; to vex by depriving of something expected or desired while circumscribe is to draw a line around; to encircle.

As an adjective frustrate

is vain; ineffectual; useless; nugatory.

Collaboration is a related term of collaborator.

As nouns the difference between collaborator and collaboration

is that collaborator is a person who works with others towards a common goal while collaboration is the act of collaborating.

As nouns the difference between stripes and spot

is that stripes is plural of lang=en while spot is a round or irregular patch on the surface of a thing having a different color, texture etc. and generally round in shape.

As verbs the difference between stripes and spot

is that stripes is third-person singular of stripe while spot is to see, find; to pick out, notice, locate, distinguish or identify.

As a proper noun Spot is

a popular given name for a dog.