loanword vs Yiddishism

loanword and Yiddishism both are nouns.

Word	Noun	Adjective	Verb	Adverb
loanword	Yes	No	No	No
Yiddishism	Yes	No	No	No

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

loanword: a word borrowed from another language; e.g. `blitz' is a German word borrowed into modern English
Yiddishism: A linguistic feature of Yiddish, especially a Yiddish idiom or phrasing that appears in another language.

Other hyponyms of loanword include Latinism, Gallicism, Grecism, Aramaicism, Aramaism.

loanword (noun)	Yiddishism (noun)
a word borrowed from another language; e.g. `blitz' is a German word borrowed into modern English	A linguistic feature of Yiddish, especially a Yiddish idiom or phrasing that appears in another language.