modus vivendi vs manner

modus vivendi and manner both are nouns.

Word	Noun	Adjective	Verb	Adverb
modus vivendi	Yes	No	No	No
manner	Yes	No	No	No

As nouns, manner is a hypernym of modus vivendi; that is, manner is a word with a broader meaning than modus vivendi:

modus vivendi: a manner of living that reflects the person's values and attitudes
manner: how something is done or how it happens

Other hypernyms of modus vivendi include fashion, mode, style, way.

modus vivendi (noun)	manner (noun)
a manner of living that reflects the person's values and attitudes	a way of acting or behaving
a temporary accommodation of a disagreement between parties pending a permanent settlement	how something is done or how it happens
	a kind