pääsemist
Pääsemist is not a standard Finnish word found in major dictionaries. It appears to be a nonstandard or possibly erroneous form, likely derived from the verb päästä. The established noun forms related to päästä are pääseminen (the act of getting in or gaining access) and pääsy (access, admission). The suffix structure of pääsemist is not a normal Finnish inflection, so pääsemist is generally not considered a recognized term in formal writing.
In practice, Finnish uses pääseminen to denote the process of entering or obtaining access, and pääsy to
If you encounter the form pääsemist, it is advisable to treat it as a potential misspelling or