Increase
Part of speech: noun
Definition: An amount by which a quantity is increased. For a quantity, the act or process of becoming larger
Part of speech: verb
Definition: to become larger. To make (a quantity) larger.
Example sentence: With genetic engineering, we will be able to increase the complexity of our DNA, and improve the human race. But it will be a slow process, because one will have to wait about 18 years to see the effect of changes to the genetic code.
Gain
Part of speech: verb
Definition: To acquire possession of what one did not have before.To increase.To be more likely to catch or overtake an individual.
Part of speech: noun
Definition: The act of gaining.What one gains, as a return on investment or dividend.The factor by which a signal is multiplied.
Example sentence: For everything you have missed, you have gained something else, and for everything you gain, you lose something else.