exclamation vs ecphonesis

exclamation and ecphonesis both are nouns.

Word	Noun	Adjective	Verb	Adverb
exclamation	Yes	No	No	No
ecphonesis	Yes	No	No	No

As nouns, exclamation and ecphonesis are synonyms defined as:

exclamation (noun)	ecphonesis (noun)
an abrupt excited utterance	an exclamatory rhetorical device
an exclamatory rhetorical device
a loud complaint or protest or reproach