I think the only other word for chocolate is cocoa. Though you could say: sweets, treats, candies, bon bon, dessert, confectionery, even if they don't mean exactly "chocolate."
Unless you mean chocolate as in the color. Then some synonyms are: brown, dark, chestnut, nut, mahogany, auburn.
Another word for the color chocolate is "brown."
chocolate
chocolate
chocolate chocolate
Dark chocolate
fudge
Cocoa (chocolate is derived from the Cocoa bean)
Another word for chocolate eclairs is "chocolate éclairs." While there isn't a direct synonym, they can also be described as "chocolate cream-filled pastries" or simply "chocolate pastries." The term "eclair" itself refers to the pastry format, which can be filled with various creams or custards, including chocolate.
Brunette hair, or chocolate coloured hair
Chocolate.
"Chocolate bar" is a compound word that refers to a type of chocolate candy.
The word chocolate originates from the word cocoa.Chocolate is just a longer word for cocoa.