discourtesy vs doings

discourtesy and doings both are nouns.

Word	Noun	Adjective	Verb	Adverb
discourtesy	Yes	No	No	No
doings	Yes	No	No	No

As nouns, doings is a hypernym of discourtesy; that is, doings is a word with a broader meaning than discourtesy:

discourtesy: a lack of politeness; a failure to show regard for others; wounding the feelings of others
doings: manner of acting or controlling yourself

Other hypernyms of discourtesy include behavior, behaviour, conduct.

discourtesy (noun)	doings (noun)
a lack of politeness; a failure to show regard for others; wounding the feelings of others	manner of acting or controlling yourself
a manner that is rude and insulting
an expression of lack of respect