# GRU

> English word · Proper noun · frequency rank #39,340

## Definitions
1. The Main Intelligence Directorate — the Soviet and then the Russian military intelligence agency.

## Etymology
From Russian ГРУ (GRU), through phonetic transliteration of Гла́вное Разве́дывательное Управле́ние (Glávnoje Razvédyvatelʹnoje Upravlénije) and acronymizing.

## Easily confused with
- **GS** (https://plainspell.com/en/vs/gru-vs-gs)
- **GU** (https://plainspell.com/en/vs/gru-vs-gu)
- **guy** (https://plainspell.com/en/vs/gru-vs-guy)
- **gun** (https://plainspell.com/en/vs/gru-vs-gun)
- **gym** (https://plainspell.com/en/vs/gru-vs-gym)
- **gut** (https://plainspell.com/en/vs/gru-vs-gut)
- **gum** (https://plainspell.com/en/vs/gru-vs-gum)
- **Gus** (https://plainspell.com/en/vs/gru-vs-gus)
- **GTA** (https://plainspell.com/en/vs/gru-vs-gta)
- **GST** (https://plainspell.com/en/vs/gru-vs-gst)
- **GUI** (https://plainspell.com/en/vs/gru-vs-gui)
- **GSM** (https://plainspell.com/en/vs/gru-vs-gsm)
- **Guo** (https://plainspell.com/en/vs/gru-vs-guo)
- **GSA** (https://plainspell.com/en/vs/gru-vs-gsa)
- **GTS** (https://plainspell.com/en/vs/gru-vs-gts)
- **gul** (https://plainspell.com/en/vs/gru-vs-gul)
- **GSP** (https://plainspell.com/en/vs/gru-vs-gsp)
- **GTR** (https://plainspell.com/en/vs/gru-vs-gtr)
- **GYN** (https://plainspell.com/en/vs/gru-vs-gyn)
- **guru** (https://plainspell.com/en/vs/gru-vs-guru)

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