# bolus

> English word · Noun · IPA /ˈbəʊləs/ · frequency rank #46,942

## Definitions
1. A round mass of something, especially of chewed food in the mouth or alimentary canal.
2. A single, large dose of a drug, especially one in that form.

## Etymology
From Late Latin bōlus (“clod of earth, lump”), plural bōlī, from Ancient Greek βῶλος (bôlos, “clod, lump”). Doublet of bole.

## Easily confused with
- **bus** (https://plainspell.com/en/vs/bolus-vs-bus)
- **boys** (https://plainspell.com/en/vs/bolus-vs-boys)
- **boss** (https://plainspell.com/en/vs/bolus-vs-boss)
- **bout** (https://plainspell.com/en/vs/bolus-vs-bout)
- **bows** (https://plainspell.com/en/vs/bolus-vs-bows)
- **boos** (https://plainspell.com/en/vs/bolus-vs-boos)
- **books** (https://plainspell.com/en/vs/bolus-vs-books)
- **bonus** (https://plainspell.com/en/vs/bolus-vs-bonus)
- **boxes** (https://plainspell.com/en/vs/bolus-vs-boxes)
- **boots** (https://plainspell.com/en/vs/bolus-vs-boots)
- **bones** (https://plainspell.com/en/vs/bolus-vs-bones)
- **bonds** (https://plainspell.com/en/vs/bolus-vs-bonds)
- **bombs** (https://plainspell.com/en/vs/bolus-vs-bombs)
- **bulls** (https://plainspell.com/en/vs/bolus-vs-bulls)
- **boobs** (https://plainspell.com/en/vs/bolus-vs-boobs)
- **Boris** (https://plainspell.com/en/vs/bolus-vs-boris)
- **bowls** (https://plainspell.com/en/vs/bolus-vs-bowls)
- **bulbs** (https://plainspell.com/en/vs/bolus-vs-bulbs)
- **bouts** (https://plainspell.com/en/vs/bolus-vs-bouts)
- **booms** (https://plainspell.com/en/vs/bolus-vs-booms)

## Common misspellings (7)
`bbolus`, `blous`, `bollus`, `bolsu`, `boluss`, `bouls`, `oblus`

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