Difference between Conundrum and Riddle

CONUNDRUM vs RIDDLE: NOUN

A difficult choice or decision that must be made.
A difficult question or riddle, especially one using a play on words in the answer.
A question to which only a conjectural answer can be made.
A kind of riddle based upon some fanciful or fantastic resemblance between things quite unlike; a puzzling question, of which the answer is or involves a pun.
A riddle in which some odd resemblance is proposed for discovery between things quite unlike, or some odd difference between similar things, the answer often involving a pun.
A conceit; a device; a hoax.
A paradoxical, insoluble, or difficult problem; a dilemma.
A riddle in which a fanciful question is answered by a pun.
A difficult problem

A sieve, especially a coarse one for sand, grain, and the like.
In founding, a sieve with half-inch mesh, used in the molding-shop for cleaning and mixing old floor-sand.
Anything abstruse, intricate, paradoxical, or puzzling; a puzzle.
A proposition so framed as to exercise one's ingenuity in discovering its meaning; an ambiguous, complex, or puzzling question offered for solution; an enigma; a dark saying.
A difficult problem
A coarse sieve (as for gravel)
A person who manifests ambiguities or contradictions of character or conduct.
A sieve.
A verbal puzzle, mystery, or other problem of an intellectual nature, such as "It's black, and white, and red all over. What is it?"
Something proposed to be solved by guessing or conjecture; a puzzling question; an ambiguous proposition; an enigma; hence, anything ambiguous or puzzling.
A board having a row of pins, set zigzag, between which wire is drawn to straighten it.
A sieve with coarse meshes, usually of wire, for separating coarser materials from finer, as chaff from grain, cinders from ashes, or gravel from sand.
In minting. See the extract.
A curtain; a bed-curtain; in a church, one of the pair of curtains inclosing an altar on the north and south, often hung from rods driven into the wall.
In wire-working, a flat board set with iron pins sloped in opposite directions. It is used to straighten wire, which is drawn in a zigzag course between the pins.
In hydraulic engineering, a form of river-weir.

To speak in riddles, ambiguously, or enigmatically.
To sift through a riddle or sieve: as, to riddle sand.
To sift by means of a coarse-netted dredge, as young oysters on a bed.
To reduce in quantity as if by sifting; condense.
To fill with holes; especially, to perforate with shot so as to make like a riddle; hence, to puncture or pierce all over as if with shot; penetrate.
To use a riddle or sieve; pass anything through a riddle.
To fall in drops or fine streams, as through a riddle or sieve.
To puzzle; perplex.
To plait.
To understand; make out.
To explain; interpret; solve; unriddle.

Ate, Secret, Questioner, Clue, Headache, Puzzle, Mystery, Predicament, Question, Problem, Quandary, Dilemma, Brain teaser, Enigma, Riddle

Paradox, Quandary, Brainteaser, Embry, Ree, Stumper, Guess, Secret, Clue, Puzzle, Mystery, Brain teaser, Screen, Enigma, Conundrum

Paradox, Trade off, Ate, Secret, Clue, Headache, Puzzle, Mystery, Predicament, Question, Problem, Quandary, Dilemma, Enigma, Riddle

Rebus, Trivia, Maze, Cryptogram, Paradox, Quandary, Ree, Guess, Secret, Clue, Puzzle, Mystery, Screen, Enigma, Conundrum

Bankruptcy Conundrum: Filing Is Permitted, but Uniquely Restricted.
The real conundrum has been finding satisfactory pulleys!
Ethylene glycol poisoning: quintessential clinical toxicology; analytical conundrum.
SYN: Embarrassment, be_wilderment, enigma, confusion, conundrum, intricacy, labyrinth.
Seven into one does go, a watery conundrum?
Perhaps their power can solve my northern conundrum.
Solution of a conundrum with multivalent fuzzy logic.
18. ^ Fischer, A Cold War Conundrum: "Star Wars".
"India's conundrum is a coal conundrum," says Jairam Ramesh, a former minister of the environment.
Ask setter, finally, for puzzle Baffler Brainteaser Coarse sieve Conundrum Conundrum: drug with a title in report?

Explanation: This question is a type of riddle, in the riddle we must focus on the pronunciation rather than the meaning.
Riddle was the husband of Marjorie Riddle and father of Adrienne Rodrigue, of Covington.
The riddle format not only includes a riddle, but it may also include a perplexing statement or an image.
Thomas and Mary Riddle and their son, Tom Riddle, Esq.
Upon entering a room with a Riddle therein, you will be notified and reminded of the riddle.
Yet, we at Plentifun have managed to find an interesting riddle that can be put in the category of hardest riddle.
Host a game of triangles Halloween Riddle worksheet this Riddle worksheets covers the various angles inside outside.
Riddle Quiz is another fun riddle guessing game on the mobile phone.
Riddle, Riddle: I am something that came into this world with earrings.
Shortest Sentence Riddle Meme with riddle and answer page link.