nonconcern

As nouns the difference between terms and nonconcern

is that terms is while nonconcern is that which is not a concern (source of anxiety).

As an adjective unconcerned

is indifferent and having no interest; aloof.

As a noun nonconcern is

that which is not a concern (source of anxiety).

As a noun nonconcern

is that which is not a concern (source of anxiety).

As an adjective nonconcert is

not a concert, or unrelated to a concert.

As nouns the difference between concern and nonconcern

is that concern is that which affects one's welfare or happiness while nonconcern is that which is not a concern (source of anxiety).

As a verb concern

is (label) to relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to.