curl vs roll

curl and roll both are nouns.

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

As nouns, curl and roll are synonyms defined as:

curl and roll: a round shape formed by a series of concentric circles (as formed by leaves or flower petals)

Other synonyms of curl include coil, curlicue, gyre, ringlet, scroll, whorl.

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

Other hypernyms of curl include twine, wind, wrap.

curl (noun)	roll (noun)
lock of hair in the shape of a spiral or curl	a flight maneuver; aircraft rotates about its longitudinal axis without changing direction or losing altitude
a round shape formed by a series of concentric circles (as formed by leaves or flower petals)	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)

curl (verb)	roll (verb)
form a curl, curve, or kink	execute a roll, in tumbling
play the Scottish game of curling	take the shape of a roll or cylinder
twist or roll into coils or ringlets	show certain properties when being rolled
wind around something in coils or loops	boil vigorously
shape one's body into a curl	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