THEY DIFFER BY A LETTER
A green onion & an adult male horse
Scallion & Stallion
A 1988 scientific success, "Brief"
A Brief History of Time
At the start of the game Diplomacy, France controls 3 supply centers: Paris, Brest & this port
Marseille
Mumbai, formerly
Bombay
Humps on a Bactrian
Two
More fearless & more hairless
Bolder & Balder
From Liberated 1973, "Flying"
Fear of Flying
Each army unit is represented by a cannon; each fleet unit, by this, also the name of a different game
Battleship
In math it's found before "value"; in thermodynamics, before "zero"
Absolute
Teaspoons in a tablespoon
Three
Relating to heredity & a product with no particular brand name
Genetic & generic
A punctuation manual, "Shoots"
Eats, Shoots & Leaves
Turkey is one of the 7 great powers players may represent; the game is set just before this war
World War I
A carnivore, or a yeoman warder at the Tower
Beefeater
Faces on a cube
Six
Pleasant smelling & outrageous & reprehensible
Fragrant & flagrant
An art-sy 1961 bio, "Ecstasy"
The Agony and the Ecstasy
On the Diplomacy board, this country in the middle of Europe is considered impassable
Switzerland
A gander whose color is between black & white
Grey Goose
The number of minutes in an IBF boxing round
Three
A clam soup & a group of cats
Chowder & clowder
Mary Karr joined this "Club"
The Liars' Club
The game is based on making & breaking these, such as the triple one that in real life united Italy, Germany & Austria
Alliances
Australian wilderness grain-grinding buildings
Bush Mills
Pillars of Islam
Five