# supplementation

> English word · Noun · frequency rank #30,996

## Definitions
1. The act of supplementing
2. Something added as a supplement

## Etymology
From supplement + -ation.

## Common misspellings (22)
`spuplementation`, `ssupplementation`, `suplementation`, `suplpementation`, `suppelmentation`, `suppleemntation`, `supplemenattion`, `supplemenntation`, `supplementaiton`, `supplementasion`, `supplementatino`, `supplementationn`, `supplementatoin`, `supplementattion`, `supplementtaion`, `supplementtation`, `supplemetnation`, `supplemmentation`, `supplemnetation`, `suppllementation`, `supplmeentation`, `uspplementation`

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