monish vs caution

monish is not a noun while caution is a noun.

Word	Noun	Adjective	Verb	Adverb
monish	No	No	Yes	No
caution	Yes	No	Yes	No

As verbs, monish and caution are synonyms defined as:

Other synonyms of monish include admonish.

monish (noun)	caution (noun)
	the trait of being cautious; being attentive to possible danger
	the trait of being circumspect and prudent
	judiciousness in avoiding harm or danger
	a warning against certain acts

monish (verb)	caution (verb)
advise or counsel in terms of someone's behavior	warn strongly; put on guard
warn strongly; put on guard