additive

As nouns the difference between additive and spice

is that additive is a substance added to another substance or product for its ability to alter its properties while spice is plant matter (usually dried) used to season or flavour food.

As an adjective additive

is pertaining to addition; that can be, or has been, added.

As a verb spice is

to add spice or spices to.

As a verb amplify

is to render larger, more extended, or more intense, and the like;—used especially of loudspeakers, telescopes, microscopes, etc.

As an adjective additive is

pertaining to addition; that can be, or has been, added.

As a noun additive is

a substance added to another substance or product for its ability to alter its properties.

As a noun additive

is .

As an adjective supplementary is

additional; added to supply what is wanted.

As nouns the difference between additive and additives

is that additive is while additives is .

Additive is a related term of emendation.

As nouns the difference between additive and emendation

is that additive is while emendation is the act of altering for the better, or correcting what is erroneous or faulty; correction; improvement.

Improvement is a synonym of additive.

As nouns the difference between improvement and additive

is that improvement is the act of improving]]; advancement or growth; [[promote|promotion in desirable qualities; progress toward what is better; melioration; as, the improvement of the mind, of land, roads, etc while additive is .

Additive is a related term of reform.

As nouns the difference between additive and reform

is that additive is while reform is reform.

Increase is a related term of additive.

As nouns the difference between increase and additive

is that increase is an amount by which a quantity is increased while additive is .

As a verb increase

is (of a quantity) to become larger.