believe vs reckon

believe and reckon both are verbs.

Word	Noun	Adjective	Verb	Adverb
believe	No	No	Yes	No
reckon	No	No	Yes	No

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

believe (verb)	reckon (verb)
accept as true; take to be true	deem to be
follow a credo; have a faith; be a believer	make a mathematical calculation or computation
credit with veracity	expect, believe, or suppose
be confident about something	judge to be probable
judge or regard; look upon; judge	have faith or confidence in
	take account of