usefulness

As an adjective useless

is without use or possibility to be used.

As a noun usefulness is

the quality of being useful, to which extent something is useful.

As nouns the difference between usefulness and benefits

is that usefulness is the quality of being useful, to which extent something is useful while benefits is .

As a verb benefits is

(benefit).

As nouns the difference between meaningfulness and usefulness

is that meaningfulness is the state or measure of being meaningful while usefulness is the quality of being useful, to which extent something is useful.

As nouns the difference between painfulness and usefulness

is that painfulness is the state or quality of being painful, of causing pain while usefulness is the quality of being useful, to which extent something is useful.

As nouns the difference between novelty and usefulness

is that novelty is the state of being new or novel; newness while usefulness is the quality of being useful, to which extent something is useful.

As nouns the difference between usefulness and practicability

is that usefulness is the quality of being useful, to which extent something is useful while practicability is the state of being practicable; feasibility.

As nouns the difference between useability and usefulness

is that useability is while usefulness is the quality of being useful, to which extent something is useful.

As nouns the difference between usefulness and practical

is that usefulness is the quality of being useful, to which extent something is useful while practical is a part of an exam or series of exams in which the candidate has to demonstrate their practical ability.

As an adjective practical is

based on practice or action rather than theory or hypothesis.

As nouns the difference between appropriateness and usefulness

is that appropriateness is the quality or condition of being appropriate while usefulness is the quality of being useful, to which extent something is useful.

As nouns the difference between satisfaction and usefulness

is that satisfaction is a fulfillment of a need or desire while usefulness is the quality of being useful, to which extent something is useful.