threshold vs threshold

threshold and threshold both are nouns.

Word	Noun	Adjective	Verb	Adverb
threshold	Yes	No	No	No
threshold	Yes	No	No	No

threshold (noun)	threshold (noun)
the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway	the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway
the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close	the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close
the smallest detectable sensation	the smallest detectable sensation
a region marking a boundary	a region marking a boundary
the starting point for a new state or experience	the starting point for a new state or experience