Answer for english:
Answer for math:
add. addend. addition. angle. answer. ...
billion. binary.
calculate. cardinal. carry. circle. circumference. ...
decimal. degree. denominator. diameter. difference. ...
eight. eighteen. eighty. eleven. ellipse. ...
factor. factorial. fifteen. fifty. five. ...
geometry. graph. greater. greater than.
half. hundred. hundredth. hyperbola.