What's the difference between anglicism and argosy?

Anglicism

Definition:

(n.) An English idiom; a phrase or form language peculiar to the English.
(n.) The quality of being English; an English characteristic, custom, or method.

Example Sentences:

(1) Angela Merkel comforts sobbing refugee but says Germany can't help everyone Read more Merkel was captured on camera stroking the girl’s shoulder, creating what Germans commonly refer to as a “shitstorm” (a word they use to mean vociferous outrage expressed on the internet and which was voted Germany’s anglicism of the year in 2011.)
(2) Anglicisms have also sprouted in French bureaucratic texts, including le briefing , le benchmarking, le sixpack [rules on financial stability] and most obviously le Brexit , recently confirmed as a masculine word in French and German.
(3) "The French were the first, as they were worried about Anglicisms and the disappearance of the great French language.
(4) "We are sick of these Americanisms and Anglicisms," said Vladimir Zhirinovsky, the party's leader, when proposing the law last year.
(5) A study on 30 patients high-lighted the need to anglicize the terminology and spelling.

Definition:

Example Sentences:

(1) That transfer function was used to predict aided speech intelligibility ratings by 12 hearing-impaired subjects wearing a master hearing aid with the Argosy Manhattan Circuit enabled (AFR-on) or disabled (AFR-off).