Israelite (plural Israelites)
- A native or inhabitant of the (1) united nation of Israel (under the Judges, and then kings Saul, David and Solomon), or (2) the later northern kingdom centered in Samaria, distinct from kingdom of Judah centered in Jerusalem.
- A member of the Twelve Tribes of Israel and a descendant of Jacob.
Israelite (not comparable)
- Of or pertaining to the ancient nation(s) of Israel or the inhabitants thereof.
- (rare, chiefly in Protestantism) Of or pertaining to the descendants of the patriarch Jacob.
Israeli is the noun and adjective for the modern state of Israel and its people, and is not to be confused with Israelite. The usage to mean "pertaining to a descendant of Jacob" is rare, very narrowly confined to religious (mainly Protestant) contexts.