# ISI

> English word · Noun · frequency rank #25,430

## Definitions
1. Abbreviation of intersymbol interference.
2. Initialism of international sensitivity index.
3. Initialism of import substitution industrialization.

## Easily confused with
- **it** (https://plainspell.com/en/vs/isi-vs-it)
- **IV** (https://plainspell.com/en/vs/isi-vs-iv)
- **iz** (https://plainspell.com/en/vs/isi-vs-iz)
- **its** (https://plainspell.com/en/vs/isi-vs-its)
- **ivy** (https://plainspell.com/en/vs/isi-vs-ivy)
- **iso** (https://plainspell.com/en/vs/isi-vs-iso)
- **ISS** (https://plainspell.com/en/vs/isi-vs-iss)
- **ISP** (https://plainspell.com/en/vs/isi-vs-isp)
- **IVF** (https://plainspell.com/en/vs/isi-vs-ivf)
- **itt** (https://plainspell.com/en/vs/isi-vs-itt)
- **ITC** (https://plainspell.com/en/vs/isi-vs-itc)
- **isu** (https://plainspell.com/en/vs/isi-vs-isu)
- **Ivo** (https://plainspell.com/en/vs/isi-vs-ivo)
- **IWC** (https://plainspell.com/en/vs/isi-vs-iwc)
- **ISR** (https://plainspell.com/en/vs/isi-vs-isr)
- **ith** (https://plainspell.com/en/vs/isi-vs-ith)
- **Isis** (https://plainspell.com/en/vs/isi-vs-isis)
- **isle** (https://plainspell.com/en/vs/isi-vs-isle)
- **ISIL** (https://plainspell.com/en/vs/isi-vs-isil)
- **issa** (https://plainspell.com/en/vs/isi-vs-issa)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/isi