What caution arises when comparing expiations for oaths and accidental killing?

Qiyas: Definition, Authority, Five Conditions, Effective Cause and Types

• Assume one cause and merge all requirements of the expiations
• Extend the stricter requirement to all other expiations
• A textual condition for one expiation is not automatically transferred to another
• Treat the new case’s explicit text as subordinate to analogy