Combating vs. Combatting
“Combating” and “combatting” are both documented present-participle spellings of “combat.” The choice is an inflectional spelling preference rather than a change in meaning.
Both “combating” and “combatting” are documented spellings. Use the form preferred by your regional or house style and stay consistent.
Key details
Choose the right form
| Meaning / situation | Form / construction | Decision |
|---|---|---|
| document/style prefers one t | combating | Use the single-t inflection. |
| document/style prefers doubled t | combatting | Use the doubled-t inflection. |
| no mandated preference | either documented spelling | Choose one form and keep it consistent. |
Quick tests
House-style test
Does your house or regional style already specify one inflection?
If yes: Use that required form consistently.
If no: Either “combating” or “combatting” is documented; avoid treating one as universally wrong.
Examples
The campaign is combating online fraud.
The single-t spelling is documented.
The campaign is combatting online fraud.
The doubled-t spelling is also documented.
A copyeditor should normalize the spelling only when the document has a style preference.
The choice is stylistic/orthographic rather than a change in meaning.
Further guidance
Core difference
Both “combating” and “combatting” are documented present-participle spellings of “combat.” They do not differ in meaning.
Usage Boundary
Follow the spelling preferred by your regional or house style and keep the selected inflection pattern consistent across the document.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- Combat — Cambridge Dictionary (opens in a new tab)Cambridge Dictionary · Dictionary evidence that “combat” permits inflected forms with one or two t’s.