Contemporaneity vs Spontaneity - What's the difference?

As nouns the difference between contemporaneity and spontaneity

is that contemporaneity is the state or characteristic of being contemporaneous while spontaneity is the quality of being spontaneous.

(-)

The state or characteristic of being contemporaneous.

* contemporaneousness, cotemporality

(uncountable) The quality of being spontaneous.

* Elizabeth Browning

Romney Leigh, who lives by diagrams, / And crosses not the spontaneities / Of all his individual, personal life / With formal universals.

(countable) Spontaneous behaviour.

(biology) The tendency to undergo change, characteristic of both animal and vegetable organisms, and not restrained or checked by the environment.

(biology) The tendency to activity of muscular tissue, including the voluntary muscles, when in a state of healthful vigour and refreshment.

* (quality of being spontaneous) discipline

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