As verbs the difference between mint and invent
is that
mint is (intransitive|provincial|northern england|scotland) to try, attempt; take aim or
mint can be to reproduce (coins), usually en masse, under licence while
invent is to design a new process or mechanism.
As a noun mint
is (provincial|northern england|scotland) intent, purpose; an attempt, try; effort, endeavor or
mint can be a building or institution where money (originally, only coins) is produced under government licence or
mint can be any of several plants of the family lamiaceae, typically aromatic with square stems.
As an adjective mint
is of condition, as new or
mint can be of a green colour, like that of the mint plant.