ei (Greek #1487)
if, whether, that, etc.
KJV usage: forasmuch as, if, that, (al-)though, whether. Often used in connection or composition with other particles, especially as in 1489, 1490, 1499, 1508, 1509, 1512, 1513, 1536, 1537. See also 1437.
Pronounce: i
Origin: a primary particle of conditionality
me (Greek #3361)
(adverb) not, (conjunction) lest; also (as an interrogative implying a negative answer (whereas 3756 expects an affirmative one)) whether
KJV usage: any but (that), X forbear, + God forbid, + lack, lest, neither, never, no (X wise in), none, nor, (can-)not, nothing, that not, un(-taken), without. Often used in compounds in substantially the same relations. See also 3362, 3363, 3364, 3372, 3373, 3375, 3378.
Pronounce: may
Origin: a primary particle of qualified negation (whereas 3756 expresses an absolute denial)