# Carboniferous

> English word · Adjective · IPA /ˌkɑːbəˈnɪfəɹəs/ · frequency rank #31,901

## Definitions
1. Of a geologic period within the Paleozoic era; comprises the lower, middle and upper Mississippian and lower, middle and upper Pennsylvanian epochs from about 345 to 280 million years ago, when coal was laid down.

## Etymology
From carboniferous (“producing carbon”), from carbon + -i- + -ferous.

## Common misspellings (19)
`acrboniferous`, `cabroniferous`, `carbboniferous`, `carbnoiferous`, `carboinferous`, `carbonfierous`, `carboniefrous`, `carbonifeorus`, `carboniferosu`, `carboniferouss`, `carboniferrous`, `carboniferuos`, `carbonifferous`, `carbonifreous`, `carbonniferous`, `carobniferous`, `carrboniferous`, `ccarboniferous`, `craboniferous`

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