increase

As verbs the difference between improved and increase

is that improved is (improve) while increase is (of a quantity) to become larger.

As an adjective improved

is that has been made better; enhanced.

As a noun increase is

an amount by which a quantity is increased.

As verbs the difference between increase and burgeoning

is that increase is (of a quantity) to become larger while burgeoning is .

As nouns the difference between increase and burgeoning

is that increase is an amount by which a quantity is increased while burgeoning is the act of budding or sprouting.

As an adjective burgeoning is

that buds, grows or expands; developing.

As nouns the difference between increase and multiplication

is that increase is an amount by which a quantity is increased while multiplication is (uncountable|mathematics) the process of computing the sum of a number with itself a specified number of times, or any other analogous binary operation that combines other mathematical objects