What's the difference between declamation and declamatory?

Declamation

Definition:

(n.) The act or art of declaiming; rhetorical delivery; haranguing; loud speaking in public; especially, the public recitation of speeches as an exercise in schools and colleges; as, the practice declamation by students.
(n.) A set or harangue; declamatory discourse.
(n.) Pretentious rhetorical display, with more sound than sense; as, mere declamation.

Example Sentences:

(1) It feels strange to sit down and begin writing a rebuttal to the declamation of a musician who I really admire.
(2) In addition, the declamations of great job growth this summer were largely delusional.

Definition:

(a.) Pertaining to declamation; treated in the manner of a rhetorician; as, a declamatory theme.
(a.) Characterized by rhetorical display; pretentiously rhetorical; without solid sense or argument; bombastic; noisy; as, a declamatory way or style.

Example Sentences:

(1) From then on she became best known for the occasional declamatory remark: "America is founded on genocide"; "the quality of American life is an insult to the possibilities of human growth"; and "the white race is the cancer of history" are just three sparky sentences she threw into the tinder box of an America at war with the world and itself in the mid-60s.
(2) The head of press at the German embassy in London has been quoted as saying that a "less declamatory tone", which did not dwell on who was responsible for the conflict, "would be easier" when it comes to the commemorations.
(3) The declamatory speeches and pauses for laughter make even a show as energetic as this seem rather slow.
(4) It also allows the architecture of the different buildings, which runs from the declamatory to the discreet, to speak for itself.
(5) To the modern reader, the high-pitched, declamatory, self-consciously ornate prose of Hawthorne in particular, often sounds on the edge of histrionics and makes his writing either awkwardly archaic or shockingly modern.