sper-

(Latin: hope)

despair
1. The feeling that someone has that everything is wrong, there is no hope, and nothing will turn out well.
2. The condition in which everything seems wrong and will turn out badly.
3. Someone, or something, that makes a person feel hopeless or exasperated.
4. Etymology: from Old French desperer, "to lose hope, to despair"; from Latin desperare, "to lose hope"; from de-, "without" + sperare, "to hope" from spes, "hope".
despairingly
A description of someone feeling that there is no hope and that the person can do nothing to improve a difficult or troubling situation.
desperado
1. A reckless and violent criminal; especially, in the early settlement of the western United States.
2. A bold or desperate outlaw; especially, of the earlier American frontier.
3. Etymology: from "a person in despair", a mock-Spanish version of desperate, "reckless criminal" (1563); from Latin desperatus.
desperate
1. Overwhelmed with urgency and anxiety, to the point of losing hope.
2. So drastic, or reckless, as to be suitable only for a last resort.
3. Extremely difficult, serious, or dangerous: "There is a desperate shortage of food and water in many parts of the world."
4. Wanting, or needing, something very much.
desperately
1. Characterized by someone having lost hope.
2. Referring to being moved by despair, or involving or employing extreme measures in an attempt to escape defeat or frustration.
3. Suffering extreme need or anxiety for something.
4: Related to the involvement of extreme danger or possible disaster: "The earthquake victims were in a desperate situation.
desperation
1. A situation in which everything seems wrong and will turn out badly.
2. Recklessness brought on by great urgency and anxiety.
3. A condition of being without hope.
esperance
Hope; hopefulness.
Esperanto
An artificial language invented in 1887, based on the root forms of some words common to the major European languages.

In general, the word order is similar to that of English, although the grammar is more highly inflected.

From the late 19th century named after Doctor Esperanto, "someone who hopes". Esperanto is the pseudonym used on the title page of Langue internationale, a book about the artificial would-be universal language published 1887 by its inventor, Lazarus Ludwig Zamenhof (1859-1917).

improsperity
A lack of prosperity or success or wealth.
prosper
1. To be successful; especially, in financial or economic terms.
2. To be fortunate or successful; especially, in terms of one's finances; that is, to flourish or to thrive.
3. Etymology: from Old French prosperer (14th century); from Latin prosperare "to cause to succeed, to render happy"; from prosperus, "favorable, fortunate, prosperous"; from Old Latin pro spere, "according to expectation"; from pro, "for" + spes, "hope".
prosperity
1. An economic state of growth with rising profits and full employment.
2. A situation in which people enjoy wealth, success, or good fortune.
3. Etymology: from Old French prosperite (about 1140), from Latin prosperitatem, prosperitas, "good fortune"; from prosperus, "agreeable to one's wishes"; from Latin pro spere, "according to expectations"; from pro, "for" + spes, "hope".
prosperous
1. Successful and flourishing; especially, earning or producing great wealth.
2. Having wealth, or associated with wealthy people.
3. Characterized by success or good fortune: "The company had a prosperous year."
4. Likely to be successful or to bring a good result.
prosperously
1. Characterized by being marked with success or economic well-being.
2. A reference to the advancement in the pursuit of anything desirable; including, making gains, or increases, or thriving successfully.
prosperousness
1. Being in fortunate financial circumstances; such as, being moderately, or very, rich.
2. The degree to which a thing is prosperous or advancing in the pursuit of anything desirable; making gains or increases; successfulness.
sperable (adjective) (not comparable)
1. Within the range of hope: Bill wondered if his ideas for the summer vacation were sperable and realistic.
2. Properly hoped for: Dr. Hathaway gave Mrs. Smith sperable news which afforded grounds of optimism regarding her husband's recovery from the operation.