conclusion vs ending

conclusion and ending both are nouns.

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

As nouns, conclusion and ending are synonyms defined as:

Other synonyms of conclusion include termination.

As nouns, conclusion and ending are synonyms defined as:

Other synonyms of conclusion include close, closing, end.

As nouns, conclusion and ending are synonyms defined as:

Other synonyms of conclusion include finish.

As nouns, ending is a hypernym of conclusion; that is, ending is a word with a broader meaning than conclusion:

Other hypernyms of conclusion include end.

conclusion (noun)	ending (noun)
the act of ending something	the act of ending something
the act of making up your mind about something	the end of a word (a suffix or inflectional ending or final morpheme)
a position or opinion or judgment reached after consideration	the last section of a communication
an intuitive assumption	event whose occurrence ends something
the last section of a communication	the point in time at which something ends
the proposition arrived at by logical reasoning (such as the proposition that must follow from the major and minor premises of a syllogism)
a final settlement
event whose occurrence ends something
the temporal end; the concluding time