safeguard vs precaution

safeguard and precaution both are nouns.

Word	Noun	Adjective	Verb	Adverb
safeguard	Yes	No	Yes	No
precaution	Yes	No	No	No

As nouns, safeguard and precaution are synonyms defined as:

safeguard and precaution: a precautionary measure warding off impending danger or damage or injury etc.

Other synonyms of safeguard include guard.

safeguard (noun)	precaution (noun)
a precautionary measure warding off impending danger or damage or injury etc.	a precautionary measure warding off impending danger or damage or injury etc.
a document or escort providing safe passage through a region especially in time of war	the trait of practicing caution in advance
	judiciousness in avoiding harm or danger

safeguard (verb)	precaution (verb)
make safe
escort safely