begin vs beginner

begin is not a noun while beginner is a noun.

Word	Noun	Adjective	Verb	Adverb
begin	No	No	Yes	No
beginner	Yes	No	No	No

begin (noun)	beginner (noun)
	someone new to a field or activity
	a person who founds or establishes some institution

begin (verb)	beginner (verb)
take the first step or steps in carrying out an action
set in motion, cause to start
begin to speak or say
begin to speak, understand, read, and write a language
achieve or accomplish in the least degree, usually used in the negative
begin an event that is implied and limited by the nature or inherent function of the direct object
have a beginning, in a temporal, spatial, or evaluative sense
be the first item or point, constitute the beginning or start, come first in a series
have a beginning characterized in some specified way
have a beginning, of a temporal event