noncompatible

As adjectives the difference between incompatible and noncompatible

is that incompatible is of two things: that cannot coexist; not congruous because of differences; irreconcilable; disagreeing while noncompatible is not compatible.

As a noun incompatible

is (medicine|chemistry|chiefly|in the plural) an incompatible substance; one of a group of things that cannot be placed or used together because of a change of chemical composition or opposing medicinal qualities.

As adjectives the difference between compatible and noncompatible

is that compatible is capable of easy interaction while noncompatible is not compatible.

As a noun compatible

is something that is compatible with something else.