# thinking

> English word · Noun · IPA /ˈθɪŋkɪŋ/ · frequency rank #579

## Definitions
1. The action or process of using one's mind to consider or reason about something.
2. A thought.

## Etymology
From Middle English thinking, thynkynge, thenkyng, equivalent to think + -ing.

## Easily confused with
- **ticking** (https://plainspell.com/en/vs/thinking-vs-ticking)
- **thinning** (https://plainspell.com/en/vs/thinking-vs-thinning)
- **tricking** (https://plainspell.com/en/vs/thinking-vs-tricking)
- **twinning** (https://plainspell.com/en/vs/thinking-vs-twinning)
- **twinkling** (https://plainspell.com/en/vs/thinking-vs-twinkling)
- **tanking** (https://plainspell.com/en/vs/tanking-vs-thinking)
- **thanking** (https://plainspell.com/en/vs/thanking-vs-thinking)
- **thieving** (https://plainspell.com/en/vs/thieving-vs-thinking)

## Common misspellings (13)
`htinking`, `thhinking`, `thikning`, `thinikng`, `thinkign`, `thinkingg`, `thinkinng`, `thinkking`, `thinknig`, `thinnking`, `thniking`, `tihnking`, `tthinking`

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