English Theasurus that shows all the ways the English word is translated from the original Greek and Hebrew.
English Theasurus from the Hebrew and Greek Strong's Dictionary
haply 0686 ** ara ** {haply}, (what) manner (of man), no doubt, perhaps, so be,then, therefore, truly, wherefore.
haply 3379 ** mepote ** if peradventure, lest (at any time, {haply}), not at all,whether or not.
haply 3381 ** mepos ** lest (by any means, by some means, {haply}, perhaps).
haply 3863 -- luw/ -- if ({haply}), peradventure, I pray thee, though, I would,would God (that).
haply 4458 ** -pos ** {haply}, by any (some) means, perhaps.