expect vs speculate

expect and speculate both are verbs.

Word	Noun	Adjective	Verb	Adverb
expect	No	No	Yes	No
speculate	No	No	Yes	No

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

expect (verb)	speculate (verb)
be pregnant with	reflect deeply on a subject
look forward to the birth of a child	to believe especially on uncertain or tentative grounds
regard something as probable or likely	talk over conjecturally, or review in an idle or casual way and with an element of doubt or without sufficient reason to reach a conclusion
look forward to the probable occurrence of	invest at a risk
consider reasonable or due
consider obligatory; request and expect