# insertion

> English word · Noun · IPA /ɪnˈsɝʃən/ · frequency rank #18,110

## Definitions
1. The act of inserting, or something inserted.
2. The distal end of attachment of a muscle to a bone that will be moved by the muscle.
3. The addition of a nucleotide to a chromosome by mutation.
4. The process of going from subcritical to prompt critical.

## Etymology
From insert + -ion.

## Easily confused with
- **intention** (https://plainspell.com/en/vs/insertion-vs-intention)
- **invention** (https://plainspell.com/en/vs/insertion-vs-invention)
- **inversion** (https://plainspell.com/en/vs/insertion-vs-inversion)
- **inspection** (https://plainspell.com/en/vs/insertion-vs-inspection)
- **infection** (https://plainspell.com/en/vs/infection-vs-insertion)
- **injection** (https://plainspell.com/en/vs/injection-vs-insertion)
- **inception** (https://plainspell.com/en/vs/inception-vs-insertion)
- **inserting** (https://plainspell.com/en/vs/inserting-vs-insertion)
- **ingestion** (https://plainspell.com/en/vs/ingestion-vs-insertion)

## Common misspellings (14)
`inesrtion`, `innsertion`, `inseriton`, `inserrtion`, `insersion`, `insertino`, `insertionn`, `insertoin`, `inserttion`, `insetrion`, `insretion`, `inssertion`, `isnertion`, `nisertion`

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