[Closed] Dictionary DISASTER , help ! the difference between assumption and supposition

hi i was just reading a book and looked up the words assumption and supposition, below is the merriam-webster deinitions, (this book uses them in the context of health care and perceptions)

Main Entry: as·sump·tion
Pronunciation: \?-?s?m(p)-sh?n\
Function: noun
Etymology: Middle English, from Late Latin assumption-, assumptio taking up, from Latin assumere
Date: 13th century
1 a : the taking up of a person into heaven b capitalized : August 15 observed in commemoration of the Assumption of the Virgin Mary
2 : a taking to or upon oneself <the assumption of a new position>
3 : the act of laying claim to or taking possession of something <the assumption of power>
4 : arrogance, pretension
5 a : an assuming that something is true b : a fact or statement (as a proposition, axiom, postulate, or notion) taken for granted
6 : the taking over of another's debts

Main Entry: sup·po·si·tion
Pronunciation: \?s?-p?-?zi-sh?n\
Function: noun
Etymology: Middle English supposicioun, from Anglo-French supposicion, from Late Latin supposition-, suppositio, from Latin, act of placing beneath, from supponere
Date: 15th century
1 : something that is supposed : hypothesis
2 : the act of supposing

i think i understand the defintions, but am i right in thinking they could actually mean the same thing ? or am i wrong lol

thanks