# fattening vs flattening

> English confusable word pair

## The two words

### fattening
*adjective · IPA /ˈfæt(ə)nɪŋ/ · frequency rank #40,239*
That causes weight gain; often of high calorie food with relatively little nutritive value.

### flattening
*noun · frequency rank #39,324*
The act, or the result of making something flat or flatter

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