contumely vs invective

contumely and invective both are nouns.

Word	Noun	Adjective	Verb	Adverb
contumely	Yes	No	No	No
invective	Yes	No	No	No

As nouns, invective is a hyponym of contumely; that is, invective is a word with a more specific, narrower meaning than contumely:

contumely: a rude expression intended to offend or hurt
invective: abusive or venomous language used to express blame or censure or bitter deep-seated ill will

Other hyponyms of contumely include low blow, billingsgate, scurrility, cut, stinger, vitriol, vituperation.

contumely (noun)	invective (noun)
a rude expression intended to offend or hurt	abusive or venomous language used to express blame or censure or bitter deep-seated ill will