Jizz
Kilometre , kilogram
Zero, Zenith, zillion (informal).
rate, math,s
Two words for math are mathematics and arithmetic.
multiplacation mental math
juxtaposition
decrease
Jizz
numerator, number, negative
Kilometre , kilogram
Kilogram and Kilometer are math words. They begin with the letter k.
Unemployment and urbanization are social study words. They begin with the letter u.
Some Christmas words that begin with "u" are unwrap and under (as in under the tree). The words yule and yuletide have a "u" sound, but they actually begin with "y."
Whole number is a math term. Weighted average is another math term.
Parabola, Parallel, Pi
Zero, Zenith, zillion (informal).