Another name for people who have two sexes is "intersex." Intersex individuals may possess physical characteristics, chromosomes, or reproductive anatomy that do not fit typical definitions of male or female. This condition can manifest in various ways, and intersex is recognized as a natural variation in human Biology.
An affaire d'honneur is another name for a duel - a contest or battle between two people.
Collar Bone is another name for clavicle. Those two are synonyms.
Duel
Spice, and silk are two items that were imported, another is whale oil.
If it is a liquid it is called a solution.If it is a mixture of two metals it is called an alloy.
first molars.
Bifocals.
a quarter after two?
Bicentennial
Another name for 'rational' is "numbers that are equal to the ratio of two whole numbers". Another name for 'irrational' is "numbers that are not equal to the ratio of any two whole numbers".
Two handed hammer- sledge hammmer
There are two: Ecaftnuc and Mrotstihs