roll vs displace

roll is a noun but displace is not a noun.

Word	Noun	Adjective	Verb	Adverb
roll	Yes	No	Yes	No
displace	No	No	Yes	No

As verbs, displace is a hypernym of roll; that is, displace is a word with a broader meaning than roll:

roll: arrange or coil around
displace: cause to move or shift into a new position or place, both in a concrete and in an abstract sense

Other hypernyms of roll include move.

As verbs, displace is a hypernym of roll; that is, displace is a word with a broader meaning than roll:

roll: cause to move by turning over or in a circular manner of as if on an axis
displace: cause to move or shift into a new position or place, both in a concrete and in an abstract sense

Other hypernyms of roll include move.

roll (noun)	displace (noun)
a flight maneuver; aircraft rotates about its longitudinal axis without changing direction or losing altitude
the act of rolling something (as the ball in bowling)
the act of throwing dice
walking with a swaying gait
anything rolled up in cylindrical form
photographic film rolled up inside a container to protect it from light
a list of names
a document that can be rolled up (as for storage)
a deep prolonged sound (as of thunder or large bells)
a long heavy sea wave as it advances towards the shore
rotary motion of an object around its own axis
the sound of a drum (especially a snare drum) beaten rapidly and continuously
small rounded bread either plain or sweet
a roll of currency notes (often taken as the resources of a person or business etc.)
a round shape formed by a series of concentric circles (as formed by leaves or flower petals)

roll (verb)	displace (verb)
execute a roll, in tumbling	cause to move, usually with force or pressure
take the shape of a roll or cylinder	cause to move or shift into a new position or place, both in a concrete and in an abstract sense
show certain properties when being rolled	take the place of or have precedence over
boil vigorously	terminate the employment of; discharge from an office or position
shape by rolling
pronounce with a roll, of the phoneme /r/
arrange or coil around
begin operating or running
flatten or spread with a roller
move by turning over or rotating
move along on or as if on wheels or a wheeled vehicle
move about aimlessly or without any destination, often in search of food or employment
move in a wavy pattern or with a rising and falling motion
cause to move by turning over or in a circular manner of as if on an axis
move, rock, or sway from side to side
emit, produce, or utter with a deep prolonged reverberating sound
sell something to or obtain something from by energetic and especially underhanded activity
occur in soft rounded shapes