touch base vs connect

touch base and connect both are verbs.

Word	Noun	Adjective	Verb	Adverb
touch base	No	No	Yes	No
connect	No	No	Yes	No

As verbs, touch base and connect are synonyms defined as:

Other synonyms of touch base include get in touch.

touch base (verb)	connect (verb)
establish communication with someone	make a logical or causal connection
	join for the purpose of communication
	join by means of communication equipment
	connect, fasten, or put together two or more pieces
	land on or hit solidly
	plug into an outlet
	hit or play a ball successfully
	establish communication with someone
	establish a rapport or relationship
	be or become joined or united or linked
	be scheduled so as to provide continuing service, as in transportation