call attention vs signalise

call attention and signalise both are verbs.

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

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

Other synonyms of call attention include point out, signalize.

call attention (verb)	signalise (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