beginning vs ending

beginning and ending both are nouns.

Word	Noun	Adjective	Verb	Adverb
beginning	Yes	Yes	No	No
ending	Yes	No	No	No

beginning (noun)	ending (noun)
the act of starting something	the act of ending something
the first part or section of something	the end of a word (a suffix or inflectional ending or final morpheme)
the event consisting of the start of something	the last section of a communication
the place where something begins, where it springs into being	event whose occurrence ends something
the time at which something is supposed to begin	the point in time at which something ends

beginning (adjective)	ending (adjective)
serving to begin