e (Greek #2229)
perhaps intensive of 2228; used only (in the New Testament) before 3303; assuredly
KJV usage: surely.
Pronounce: ay
Origin: an adverb of confirmation
men (Greek #3375)
a particle of affirmation (only with 2229); assuredly
KJV usage: + surely.
Pronounce: mane
Origin: a stronger form of 3303