καὶ [1089 verses](conj/adv) "Although" is kai, which is the conjunction joining phrases and clauses, "and," or "also." After words implying sameness, "as" (the same opinion as you). Used in series, joins positive with negative "Not only...but also." Also used to give emphasis, "even," "also," and "just." In a series, it can be translated as "not only...but also." After words implying sameness "as." Εἰ καὶ means "although." -- The Greek word translated as "and" is used as the conjunction "and," but it also is used to add emphasis, "even," "also," and "just."