NET

27 And there were many lepers in Israel in the time of the prophet Elisha, yet none of them was cleansed except Naaman the Syrian.”

Darby

27 And there were many lepers in Israel in the time of Elisha the prophet, and none of them was cleansed but^D7232 Naaman the Syrian.

Darby Bible Notes

but - 'But' here has the sense of 'but it is only' or 'no one else than.' see Gal. 1.7 and 19.

KJV

27 “And many lepers were in Israel in the time of Eliseus the prophet; and none of them was cleansed, saving Naaman the Syrian.”

Strong's

27 And ^G2532 many^G4183 lepers^G3015 were^G2258 in^G1722 Israel^G2474 in the time^G1909 of Eliseus^G1666 the prophet^G4396; and^G2532 none^G3762 of them^G846 was cleansed^G2511, saving^G1508 Naaman^G3497 the Syrian^G4948.