As nouns the difference between laconism and laconicism
is that laconism is extreme brevity in expression while laconicism is alternative form of laconism.
laconism
English
Noun
(
en noun)
(uncountable, figure of speech) Extreme brevity in expression.
(countable) A very or notably brief expression.
Examples
(Thermopylae)
* A native of Trachis says that the Persian archers were so numerous that, when they fired their volleys, the mass of arrows blocked out the sun.
* Dienekes: “Good. Then we'll have our battle in the shade” -->
English words suffixed with -ism