curl vs pull in

curl is a noun but pull in is not a noun.

Word	Noun	Adjective	Verb	Adverb
curl	Yes	No	Yes	No
pull in	No	No	Yes	No

curl (noun)	pull in (noun)
lock of hair in the shape of a spiral or curl
a round shape formed by a series of concentric circles (as formed by leaves or flower petals)

curl (verb)	pull in (verb)
form a curl, curve, or kink	direct toward itself or oneself by means of some psychological power or physical attributes
play the Scottish game of curling	get or bring together
twist or roll into coils or ringlets	of trains; move into (a station)
wind around something in coils or loops	earn on some commercial or business transaction; earn as salary or wages
shape one's body into a curl