What's the difference between intempestivity and untimeliness?

Intempestivity

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Definition:

• (n.) Unseasonableness; untimeliness.

Example Sentences:

Untimeliness

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Definition:

• (n.) Unseasonableness.

Example Sentences:

• (1) Did we compound this untimeliness with a metaphor drawn from 40-year-old pop history?