Initialism of Institution of Electrical Engineers.

(Internet) Initialism of Internet Engineering Steering Group (body composed of the IETF chair and area directors)

(chemistry) Initialism of isoelectric point. / (US, education) Initialism of Individualized Education Program.

(unions) International Executive Board

Jesus Christ

A surname from Italian.

Archaic spelling of Jeremiah.

plural of Iezzi

A person who believes in Ietsism.

variant of -est for adjectives ending in -y; equivalent to (dropped -y) + (-i- + -est).