There arent any.
journal-thats all(like a math journal)
a science work for the letter l
lanternloominglolly/lollies (U.K. candy)legendaryloathsome
Zero? Probably not.
universal graph, uranium, umbra
There are other math words that start with G.A google is a specific, large number.A Graph is a pictorial representation of an equation.
The Greek letter Kappa (κ) is sometimes used in math. For example, in differential geometry, the curvature of a curve is given by κ.