2) Usually with a possessive suffix (active only). 3) Usually with a possessive suffix. Not used with intransitive verbs. Distinct from nouns with the -ma suffix and third infinitive forms. 4) Some uses of the verbal noun are called the 'fourth infinitive' by certain sources (more details).
“futia”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish][1] (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2023-07-02