enchiridion vs vade mecum

enchiridion and vade mecum both are nouns.

Word	Noun	Adjective	Verb	Adverb
enchiridion	Yes	No	No	No
vade mecum	Yes	No	No	No

As nouns, enchiridion and vade mecum are synonyms defined as:

enchiridion and vade mecum: a concise reference book providing specific information about a subject or location

Other synonyms of enchiridion include handbook.

enchiridion (noun)	vade mecum (noun)
a concise reference book providing specific information about a subject or location	a concise reference book providing specific information about a subject or location