Disapprove and criticize

admonish
(v)
ǝd-MON-ish
Meaning

passionately urge; strongly urge

1st Sample Sentence

I admonish you not to marry him. I've known him for ten years, and I can assure you that he isn't fit for human company, much less marriage.

Root

ad (to)#monere (to remind, warn, advise) (Latin)

Mnemonics

to avoid A DEMON-ish act, a mother Warns her naughty child [Note: A face of a demon as the warning Sign]