call attention vs signalize

call attention and signalize both are verbs.

Word	Noun	Adjective	Verb	Adverb
call attention	No	No	Yes	No
signalize	No	No	Yes	No

As verbs, call attention and signalize are synonyms defined as:

Other synonyms of call attention include point out, signalise.

call attention (verb)	signalize (verb)
point out carefully and clearly	make conspicuous or noteworthy
	communicate silently and non-verbally by signals or signs
	point out carefully and clearly
	provide with traffic signals