3-letter words that end in i
- thi — temperature-humidity index
- tli — Transport Layer Interface
- tmi — too much information: an expression of distaste or boredom at the information being offered
- tpi — tax and price index: a measure of the increase in taxable income needed to compensate for an increase in retail prices
- tui — a black New Zealand honey eater, Prosthemadera novaeseelandiae, having a patch of white feathers on each side of the throat, sometimes tamed as a pet.
- twi — a Kwa language spoken in Ghana that is mutually intelligible with Fanti.
- udi — Unilateral Declaration of Independence
- ugi — Unione Genitori Italiani
- uni — university.
- upi — United Press International
- uri — Universal Resource Identifier
- uti — urinary tract infection
- uzi — a compact 9mm submachine gun of Israeli design.
- vgi — Video Game Illumination
- vji — Virginia Judo Incorporated
- vki — Vitamin K Injection
- vmi — vendor managed inventory: an inventory management system in which a supplier assumes responsibility for the timely replenishment of a customer's stock
- voi — Volume of Interactions
- vri — Victoria Regina et Imperatrix
- wai — A Thai greeting wherein the palms are brought together in front of the face or chest, sometimes accompanied with a bow.
- wei — any of several dynasties that ruled in North China, especially one ruling a.d. 220–265 and one ruling a.d. 386–534.
- wki — Wilderness Kayak Institute
- wmi — Windows Management Interface
- wpi — Worcester Polytechnic Institute
- wwi — World War One
- xsi — X/Open System Interface
- xui — X User Interface: program interface to the X Window System supported by DEC.