begin vs end

begin is not a noun while end is a noun.

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

begin (noun)	end (noun)
	the part you are expected to play
	(American football) a position on the line of scrimmage, designating players at each end of the defensive line
	a piece of cloth that is left over after the rest has been used or sold
	a final part or section
	the state of affairs that a plan is intended to achieve and that (when achieved) terminates behavior intended to achieve it
	the last section of a communication
	the final stage or concluding parts of an event or occurrence
	either extremity of something that has length
	a boundary marking the extremities of something
	the surface at either extremity of a three-dimensional object
	one of two places from which people are communicating to each other
	(football) the person who plays at one end of the line of scrimmage
	a final state
	the point in time at which something ends

begin (verb)	end (verb)
take the first step or steps in carrying out an action	bring to an end or halt
set in motion, cause to start	put an end to
begin to speak or say	have an end, in a temporal, spatial, or quantitative sense; either spatial or metaphorical
begin to speak, understand, read, and write a language	be the end of; be the last or concluding part of
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