What's the difference between omniferous and somniferous?

Omniferous

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Definition:

• (a.) All-bearing; producing all kinds.

Example Sentences:

Somniferous

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Definition:

• (a.) Causing or inducing sleep; soporific; dormitive; as, a somniferous potion.

Example Sentences:

• (1) Introduction of free phenobarbital to such animals does not produce any somniferous effect.