different between sperable vs spirable

English

Latin sperabilis. Compare esperance and see -ible.

sperable (not comparable)

(obsolete) Within the range of hope; proper to be hoped for.
- 1623, Francis Bacon, An Advertisement touching an Holy War
  found but a bladder, or discharge it of so much as is vain and not sperable

Latin spirabilis.

spirable (comparative more spirable, superlative most spirable)

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