hold on vs expect

hold on and expect both are verbs.

Word	Noun	Adjective	Verb	Adverb
hold on	No	No	Yes	No
expect	No	No	Yes	No

As verbs, expect is a hypernym of hold on; that is, expect is a word with a broader meaning than hold on:

Other hypernyms of hold on include await, look, wait.

hold on (verb)	expect (verb)
be persistent, refuse to stop	be pregnant with
stop and wait, as if awaiting further instructions or developments	look forward to the birth of a child
hold the phone line open	regard something as probable or likely
hold firmly	look forward to the probable occurrence of
retain possession of	consider reasonable or due
	consider obligatory; request and expect