admonition vs word of advice

admonition and word of advice both are nouns.

Word	Noun	Adjective	Verb	Adverb
admonition	Yes	No	No	No
word of advice	Yes	No	No	No

As nouns, admonition and word of advice are synonyms defined as:

admonition and word of advice: cautionary advice about something imminent (especially imminent danger or other unpleasantness)

Other synonyms of admonition include monition, warning.

admonition (noun)	word of advice (noun)
a firm rebuke	cautionary advice about something imminent (especially imminent danger or other unpleasantness)
cautionary advice about something imminent (especially imminent danger or other unpleasantness)