What's the difference between septiferous and setiferous?

Septiferous

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Definition:

• (a.) Bearing a partition; -- said of the valves of a capsule.
• (a.) Conveying putrid poison; as, the virulence of septiferous matter.

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Setiferous

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Definition:

• (a.) Producing, or having one or more, bristles.

Example Sentences: