speak vs continue

speak and continue both are verbs.

Word	Noun	Adjective	Verb	Adverb
speak	No	No	Yes	No
continue	No	No	Yes	No

As verbs, continue is a hyponym of speak; that is, continue is a word with a more specific, narrower meaning than speak:

speak (verb)	continue (verb)
express in speech	exist over a prolonged period of time
exchange thoughts; talk with	continue talking
use language	move ahead; travel onward in time or space
give a speech to	allow to remain in a place or position or maintain a property or feature
make a characteristic or natural sound	keep or maintain in unaltered condition; cause to remain or last
	continue a certain state, condition, or activity
	span an interval of distance, space or time
	continue in a place, position, or situation
	continue after an interruption
	do something repeatedly and showing no intention to stop