# FISA vs FTSE

> English confusable word pair

## The two words

### FISA
*name · frequency rank #32,399*
Acronym of Foreign Intelligence Surveillance Act.

### FTSE
*name · IPA /ˈfʊt.si/ · frequency rank #38,851*
Financial Times and Stock Exchange.

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