Add on or addon?
add on is a noun meaning “Something which can be appended to something else”; addon is a noun meaning “Alternative form of add-on”. add on is written as two words and addon as one word; they are used differently.
What is the difference between add on and addon?
| add on | addon | |
|---|---|---|
| Part of speech | noun, verb | noun |
| Meaning | Something which can be appended to something else A software extension or hardware peripheral that provides additional functions or customization for a core application or system To incorporate (something extra, often an amount of money) into something else (often a bill) | Alternative form of add-on |
| Example | The manufacturer sold many add ons for the basic camera | none recorded |
| Forms | add-ons | addons |
| Pronunciation | not recorded | not recorded |
| In writing | not counted (the list counts single words) | about once in every 2 million words |
Sources: add on and addon in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Every current meaning of add on and addon
add on
- 1
Something which can be appended to something else
- 2
To incorporate (something extra, often an amount of money) into something else (often a bill)
- 3
Alternative form of add-on
The manufacturer sold many add ons for the basic camera
- 4
A software extension or hardware peripheral that provides additional functions or customization for a core application or system
- 5
To put an expansion (addition) onto a building, usually a home
- 6
Additional chips that can be purchased at specific times in tournament play
- 7
Synonym of expansion pack
addon
- 1
Alternative form of add-on
Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.
Which is more common, add on or addon?
add on is a phrase, which the list of single words does not count; addon about once in every 2 million words.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).