Exercise and Harden

Exercise verb - To bring to bear especially forcefully or effectively.

Harden and exercise are semantically related in instruct topic. In some cases you can use "Harden" instead a verb "Exercise".

Nearby Words: exercised, exercising, exerciser, exercizing, exercized

Harden verb - To become physically firm or solid.

Exercise and harden are semantically related in instruct topic. Sometimes you can use "Exercise" instead a verb "Harden".

Nearby Words: hard, hardness, hardening, hardener