divide vs reckon

divide is a noun but reckon is not a noun.

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

As verbs, reckon is a hypernym of divide; that is, reckon is a word with a broader meaning than divide:

Other hypernyms of divide include calculate, cipher, compute, cypher, figure, work out.

divide (noun)	reckon (noun)
a ridge of land that separates two adjacent river systems
a serious disagreement between two groups of people (typically producing tension or hostility)

divide (verb)	reckon (verb)
perform a division	deem to be
move or break apart	make a mathematical calculation or computation
force, take, or pull apart	expect, believe, or suppose
make a division or separation	judge to be probable
separate into parts or portions	have faith or confidence in
act as a barrier between; stand between	take account of